7741980421 has 16 divisors (see below), whose sum is σ = 9416030976. Its totient is φ = 6213908736.

The previous prime is 7741980403. The next prime is 7741980443. The reversal of 7741980421 is 1240891477.

It is not a de Polignac number, because 7741980421 - 2⁹ = 7741979909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7741980401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141681 + ... + 188566.

It is an arithmetic number, because the mean of its divisors is an integer number (588501936).

Almost surely, 2^7741980421 is an apocalyptic number.

It is an amenable number.

7741980421 is a deficient number, since it is larger than the sum of its proper divisors (1674050555).

7741980421 is a wasteful number, since it uses less digits than its factorization.

7741980421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330468.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 7741980421 is about 87988.5243710792. The cubic root of 7741980421 is about 1978.2629751849.

The spelling of 7741980421 in words is "seven billion, seven hundred forty-one million, nine hundred eighty thousand, four hundred twenty-one".