46521316565 has 4 divisors (see below), whose sum is σ = 55825579884. Its totient is φ = 37217053248.

The previous prime is 46521316559. The next prime is 46521316577. The reversal of 46521316565 is 56561312564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8035508881 + 38485807684 = 89641^2 + 196178^2 .

It is a cyclic number.

It is not a de Polignac number, because 46521316565 - 2¹⁴ = 46521300181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4652131652 + ... + 4652131661.

It is an arithmetic number, because the mean of its divisors is an integer number (13956394971).

Almost surely, 2^46521316565 is an apocalyptic number.

It is an amenable number.

46521316565 is a deficient number, since it is larger than the sum of its proper divisors (9304263319).

46521316565 is an equidigital number, since it uses as much as digits as its factorization.

46521316565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304263318.

The product of its digits is 648000, while the sum is 44.

The spelling of 46521316565 in words is "forty-six billion, five hundred twenty-one million, three hundred sixteen thousand, five hundred sixty-five".