4920007535881 has 9 divisors (see below), whose sum is σ = 5226484048149. Its totient is φ = 4630559838144.

The previous prime is 4920007535851. The next prime is 4920007535909. The reversal of 4920007535881 is 1885357000294.

It is a happy number.

The square root of 4920007535881 is 2218109.

It is a perfect power (a square), and thus also a powerful number.

4920007535881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 170659045881 + 4749348490000 = 413109^2 + 2179300^2 .

It is not a de Polignac number, because 4920007535881 - 2¹⁵ = 4920007503113 is a prime.

It is a super-2 number, since 2×4920007535881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4920007535851) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37642615 + ... + 37773091.

Almost surely, 2^{4920007535881} is an apocalyptic number.

4920007535881 is the 2218109-th square number.

4920007535881 is the 1109055-th centered octagonal number.

It is an amenable number.

4920007535881 is a deficient number, since it is larger than the sum of its proper divisors (306476512268).

4920007535881 is an frugal number, since it uses more digits than its factorization.

4920007535881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260988 (or 130494 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 4920007535881 in words is "four trillion, nine hundred twenty billion, seven million, five hundred thirty-five thousand, eight hundred eighty-one".