74040449164931 has 2 divisors, whose sum is σ = 74040449164932. Its totient is φ = 74040449164930.

The previous prime is 74040449164897. The next prime is 74040449164987. The reversal of 74040449164931 is 13946194404047.

It is a happy number.

It is an a-pointer prime, because the next prime (74040449164987) can be obtained adding 74040449164931 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74040449164931 - 2⁶ = 74040449164867 is a prime.

It is a super-2 number, since 2×74040449164931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74040449064931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37020224582465 + 37020224582466.

It is an arithmetic number, because the mean of its divisors is an integer number (37020224582466).

Almost surely, 2^{74040449164931} is an apocalyptic number.

74040449164931 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040449164931 is an equidigital number, since it uses as much as digits as its factorization.

74040449164931 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 56.

The spelling of 74040449164931 in words is "seventy-four trillion, forty billion, four hundred forty-nine million, one hundred sixty-four thousand, nine hundred thirty-one".