513640800807 has 8 divisors (see below), whose sum is σ = 685467524976. Its totient is φ = 342120638592.

The previous prime is 513640800781. The next prime is 513640800833. The reversal of 513640800807 is 708008046315.

It is an interprime number because it is at equal distance from previous prime (513640800781) and next prime (513640800833).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513640800807 - 2⁸ = 513640800551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513640800887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76636578 + ... + 76643279.

It is an arithmetic number, because the mean of its divisors is an integer number (85683440622).

Almost surely, 2^513640800807 is an apocalyptic number.

513640800807 is a deficient number, since it is larger than the sum of its proper divisors (171826724169).

513640800807 is a wasteful number, since it uses less digits than its factorization.

513640800807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153280977.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 513640800807 in words is "five hundred thirteen billion, six hundred forty million, eight hundred thousand, eight hundred seven".