46644653847 has 24 divisors (see below), whose sum is σ = 68460058240. Its totient is φ = 28228424400.

The previous prime is 46644653819. The next prime is 46644653857. The reversal of 46644653847 is 74835644664.

It is a happy number.

It is not a de Polignac number, because 46644653847 - 2¹⁶ = 46644588311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46644653807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157854 + ... + 343812.

Almost surely, 2^46644653847 is an apocalyptic number.

46644653847 is a deficient number, since it is larger than the sum of its proper divisors (21815404393).

46644653847 is a wasteful number, since it uses less digits than its factorization.

46644653847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186675 (or 186664 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 57.

The spelling of 46644653847 in words is "forty-six billion, six hundred forty-four million, six hundred fifty-three thousand, eight hundred forty-seven".