465518207813 has 4 divisors (see below), whose sum is σ = 492901631820. Its totient is φ = 438134783808.

The previous prime is 465518207729. The next prime is 465518207821. The reversal of 465518207813 is 318702815564.

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 274682906404 + 190835301409 = 524102^2 + 436847^2 .

It is a cyclic number.

It is not a de Polignac number, because 465518207813 - 2¹⁴ = 465518191429 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 (465518207213) 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, 13691711978 + ... + 13691712011.

It is an arithmetic number, because the mean of its divisors is an integer number (123225407955).

Almost surely, 2^465518207813 is an apocalyptic number.

It is an amenable number.

465518207813 is a deficient number, since it is larger than the sum of its proper divisors (27383424007).

465518207813 is a wasteful number, since it uses less digits than its factorization.

465518207813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27383424006.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 465518207813 in words is "four hundred sixty-five billion, five hundred eighteen million, two hundred seven thousand, eight hundred thirteen".