4140645321881 has 4 divisors (see below), whose sum is σ = 4142704322064. Its totient is φ = 4138586321700.

The previous prime is 4140645321853. The next prime is 4140645322039. The reversal of 4140645321881 is 1881235460414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4140645321881 - 2³⁰ = 4139571580057 is a prime.

It is a super-2 number, since 2×4140645321881² (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 (4140645321811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029497075 + ... + 1029501096.

It is an arithmetic number, because the mean of its divisors is an integer number (1035676080516).

Almost surely, 2^{4140645321881} is an apocalyptic number.

It is an amenable number.

4140645321881 is a deficient number, since it is larger than the sum of its proper divisors (2059000183).

4140645321881 is a wasteful number, since it uses less digits than its factorization.

4140645321881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059000182.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 4140645321881 in words is "four trillion, one hundred forty billion, six hundred forty-five million, three hundred twenty-one thousand, eight hundred eighty-one".