74917042511 has 2 divisors, whose sum is σ = 74917042512. Its totient is φ = 74917042510.

The previous prime is 74917042483. The next prime is 74917042513. The reversal of 74917042511 is 11524071947.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74917042511 is a prime.

It is a super-2 number, since 2×74917042511² (a number of 23 digits) contains 22 as substring.

Together with 74917042513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74917042513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37458521255 + 37458521256.

It is an arithmetic number, because the mean of its divisors is an integer number (37458521256).

Almost surely, 2^74917042511 is an apocalyptic number.

74917042511 is a deficient number, since it is larger than the sum of its proper divisors (1).

74917042511 is an equidigital number, since it uses as much as digits as its factorization.

74917042511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 74917042511 in words is "seventy-four billion, nine hundred seventeen million, forty-two thousand, five hundred eleven".