512336713729 has 3 divisors (see below), whose sum is σ = 512337429507. Its totient is φ = 512335997952.

The previous prime is 512336713723. The next prime is 512336713783. The reversal of 512336713729 is 927317633215.

The square root of 512336713729 is 715777.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 64036833025 + 448299880704 = 253055^2 + 669552^2 .

It is not a de Polignac number, because 512336713729 - 2⁵ = 512336713697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512336713723) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 357889 + ... + 1073665.

It is an arithmetic number, because the mean of its divisors is an integer number (170779143169).

Almost surely, 2^512336713729 is an apocalyptic number.

512336713729 is the 715777-th square number.

512336713729 is the 357889-th centered octagonal number.

It is an amenable number.

512336713729 is a deficient number, since it is larger than the sum of its proper divisors (715778).

512336713729 is an frugal number, since it uses more digits than its factorization.

512336713729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431554 (or 715777 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 49.

Multiplying 512336713729 by its sum of digits (49), we get a square (25104498972721 = 5010439²).

The spelling of 512336713729 in words is "five hundred twelve billion, three hundred thirty-six million, seven hundred thirteen thousand, seven hundred twenty-nine".