74818713271531 has 2 divisors, whose sum is σ = 74818713271532. Its totient is φ = 74818713271530.

The previous prime is 74818713271499. The next prime is 74818713271541. The reversal of 74818713271531 is 13517231781847.

It is a strong prime.

It is an emirp because it is prime and its reverse (13517231781847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74818713271531 - 2⁵ = 74818713271499 is a prime.

It is a super-2 number, since 2×74818713271531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74818713271541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37409356635765 + 37409356635766.

It is an arithmetic number, because the mean of its divisors is an integer number (37409356635766).

Almost surely, 2^{74818713271531} is an apocalyptic number.

74818713271531 is a deficient number, since it is larger than the sum of its proper divisors (1).

74818713271531 is an equidigital number, since it uses as much as digits as its factorization.

74818713271531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 58.

The spelling of 74818713271531 in words is "seventy-four trillion, eight hundred eighteen billion, seven hundred thirteen million, two hundred seventy-one thousand, five hundred thirty-one".