513196801028 has 6 divisors (see below), whose sum is σ = 898094401806. Its totient is φ = 256598400512.

The previous prime is 513196801021. The next prime is 513196801037. The reversal of 513196801028 is 820108691315.

It can be written as a sum of positive squares in only one way, i.e., 513140130244 + 56670784 = 716338^2 + 7528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 513196801028.

It is not an unprimeable number, because it can be changed into a prime (513196801021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64149600125 + ... + 64149600132.

It is an arithmetic number, because the mean of its divisors is an integer number (149682400301).

Almost surely, 2^513196801028 is an apocalyptic number.

It is an amenable number.

513196801028 is a deficient number, since it is larger than the sum of its proper divisors (384897600778).

513196801028 is a wasteful number, since it uses less digits than its factorization.

513196801028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128299200261 (or 128299200259 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 513196801028 in words is "five hundred thirteen billion, one hundred ninety-six million, eight hundred one thousand, twenty-eight".