74813451632641 has 16 divisors (see below), whose sum is σ = 79215437568960. Its totient is φ = 70533895481280.

The previous prime is 74813451632627. The next prime is 74813451632659. The reversal of 74813451632641 is 14623615431847.

It is a cyclic number.

It is not a de Polignac number, because 74813451632641 - 2³¹ = 74811304148993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74813451632741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4055815 + ... + 12887068.

It is an arithmetic number, because the mean of its divisors is an integer number (4950964848060).

Almost surely, 2^{74813451632641} is an apocalyptic number.

It is an amenable number.

74813451632641 is a deficient number, since it is larger than the sum of its proper divisors (4401985936319).

74813451632641 is a wasteful number, since it uses less digits than its factorization.

74813451632641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946496.

The product of its digits is 11612160, while the sum is 55.

The spelling of 74813451632641 in words is "seventy-four trillion, eight hundred thirteen billion, four hundred fifty-one million, six hundred thirty-two thousand, six hundred forty-one".