74441890931 has 2 divisors, whose sum is σ = 74441890932. Its totient is φ = 74441890930.

The previous prime is 74441890907. The next prime is 74441890967. The reversal of 74441890931 is 13909814447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74441890931 - 2¹⁴ = 74441874547 is a prime.

It is a super-2 number, since 2×74441890931² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74441890931.

It is not a weakly prime, because it can be changed into another prime (74441890031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37220945465 + 37220945466.

It is an arithmetic number, because the mean of its divisors is an integer number (37220945466).

Almost surely, 2^74441890931 is an apocalyptic number.

74441890931 is a deficient number, since it is larger than the sum of its proper divisors (1).

74441890931 is an equidigital number, since it uses as much as digits as its factorization.

74441890931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 74441890931 in words is "seventy-four billion, four hundred forty-one million, eight hundred ninety thousand, nine hundred thirty-one".