74659646653 has 8 divisors (see below), whose sum is σ = 78655669920. Its totient is φ = 70670280240.

The previous prime is 74659646651. The next prime is 74659646681. The reversal of 74659646653 is 35664695647.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74659646653 - 2¹ = 74659646651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74659646591 and 74659646600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74659646651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641175 + ... + 1686052.

It is an arithmetic number, because the mean of its divisors is an integer number (9831958740).

Almost surely, 2^74659646653 is an apocalyptic number.

It is an amenable number.

74659646653 is a deficient number, since it is larger than the sum of its proper divisors (3996023267).

74659646653 is a wasteful number, since it uses less digits than its factorization.

74659646653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328427.

The product of its digits is 97977600, while the sum is 61.

The spelling of 74659646653 in words is "seventy-four billion, six hundred fifty-nine million, six hundred forty-six thousand, six hundred fifty-three".