46717257421 has 12 divisors (see below), whose sum is σ = 47858939580. Its totient is φ = 45602222400.

The previous prime is 46717257413. The next prime is 46717257427. The reversal of 46717257421 is 12475271764.

It can be written as a sum of positive squares in 2 ways, for example, as 3134432196 + 43582825225 = 55986^2 + 208765^2 .

It is not a de Polignac number, because 46717257421 - 2³ = 46717257413 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 (46717257427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3323035 + ... + 3337063.

It is an arithmetic number, because the mean of its divisors is an integer number (3988244965).

Almost surely, 2^46717257421 is an apocalyptic number.

It is an amenable number.

46717257421 is a deficient number, since it is larger than the sum of its proper divisors (1141682159).

46717257421 is a wasteful number, since it uses less digits than its factorization.

46717257421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15916 (or 15873 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The spelling of 46717257421 in words is "forty-six billion, seven hundred seventeen million, two hundred fifty-seven thousand, four hundred twenty-one".