74874845296831 has 2 divisors, whose sum is σ = 74874845296832. Its totient is φ = 74874845296830.

The previous prime is 74874845296787. The next prime is 74874845296907. The reversal of 74874845296831 is 13869254847847.

It is an a-pointer prime, because the next prime (74874845296907) can be obtained adding 74874845296831 to its sum of digits (76).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74874845296831 - 2²⁵ = 74874811742399 is a prime.

It is a super-2 number, since 2×74874845296831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74874845296931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37437422648415 + 37437422648416.

It is an arithmetic number, because the mean of its divisors is an integer number (37437422648416).

Almost surely, 2^{74874845296831} is an apocalyptic number.

74874845296831 is a deficient number, since it is larger than the sum of its proper divisors (1).

74874845296831 is an equidigital number, since it uses as much as digits as its factorization.

74874845296831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2601123840, while the sum is 76.

The spelling of 74874845296831 in words is "seventy-four trillion, eight hundred seventy-four billion, eight hundred forty-five million, two hundred ninety-six thousand, eight hundred thirty-one".