74040449064931 has 2 divisors, whose sum is σ = 74040449064932. Its totient is φ = 74040449064930.

The previous prime is 74040449064887. The next prime is 74040449064943. The reversal of 74040449064931 is 13946094404047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74040449064931 - 2²⁷ = 74040314847203 is a prime.

It is a super-2 number, since 2×74040449064931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74040449164931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37020224532465 + 37020224532466.

It is an arithmetic number, because the mean of its divisors is an integer number (37020224532466).

Almost surely, 2^{74040449064931} is an apocalyptic number.

74040449064931 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040449064931 is an equidigital number, since it uses as much as digits as its factorization.

74040449064931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 74040449064931 in words is "seventy-four trillion, forty billion, four hundred forty-nine million, sixty-four thousand, nine hundred thirty-one".