45631520413 has 4 divisors (see below), whose sum is σ = 45631954368. Its totient is φ = 45631086460.

The previous prime is 45631520401. The next prime is 45631520419. The reversal of 45631520413 is 31402513654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45631520413 - 2¹³ = 45631512221 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 (45631520419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51420 + ... + 306442.

It is an arithmetic number, because the mean of its divisors is an integer number (11407988592).

Almost surely, 2^45631520413 is an apocalyptic number.

It is an amenable number.

45631520413 is a deficient number, since it is larger than the sum of its proper divisors (433955).

45631520413 is a wasteful number, since it uses less digits than its factorization.

45631520413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433954.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 45631520413 in words is "forty-five billion, six hundred thirty-one million, five hundred twenty thousand, four hundred thirteen".