513100799999 has 4 divisors (see below), whose sum is σ = 513107172720. Its totient is φ = 513094427280.

The previous prime is 513100799971. The next prime is 513100800007. The reversal of 513100799999 is 999997001315.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513100799999 is a prime.

It is a super-2 number, since 2×513100799999² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513100799929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3064022 + ... + 3227139.

It is an arithmetic number, because the mean of its divisors is an integer number (128276793180).

Almost surely, 2^513100799999 is an apocalyptic number.

513100799999 is a deficient number, since it is larger than the sum of its proper divisors (6372721).

513100799999 is an equidigital number, since it uses as much as digits as its factorization.

513100799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372720.

The product of its (nonzero) digits is 6200145, while the sum is 62.

The spelling of 513100799999 in words is "five hundred thirteen billion, one hundred million, seven hundred ninety-nine thousand, nine hundred ninety-nine".