46396635921 has 16 divisors (see below), whose sum is σ = 70593481600. Its totient is φ = 30095114544.

The previous prime is 46396635893. The next prime is 46396635941. The reversal of 46396635921 is 12953669364.

46396635921 is a `hidden beast` number, since 46 + 3 + 9 + 6 + 6 + 3 + 592 + 1 = 666.

It is not a de Polignac number, because 46396635921 - 2⁷ = 46396635793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46396635941) 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 15 ways as a sum of consecutive naturals, for example, 23220541 + ... + 23222538.

It is an arithmetic number, because the mean of its divisors is an integer number (4412092600).

Almost surely, 2^46396635921 is an apocalyptic number.

It is an amenable number.

46396635921 is a deficient number, since it is larger than the sum of its proper divisors (24196845679).

46396635921 is a wasteful number, since it uses less digits than its factorization.

46396635921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46443125 (or 46443119 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 46396635921 in words is "forty-six billion, three hundred ninety-six million, six hundred thirty-five thousand, nine hundred twenty-one".