513526320398 has 16 divisors (see below), whose sum is σ = 948048591840. Its totient is φ = 203153269536.

The previous prime is 513526320397. The next prime is 513526320547. The reversal of 513526320398 is 893023625315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513526320397) 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, 1410786413 + ... + 1410786776.

It is an arithmetic number, because the mean of its divisors is an integer number (59253036990).

Almost surely, 2^513526320398 is an apocalyptic number.

513526320398 is a deficient number, since it is larger than the sum of its proper divisors (434522271442).

513526320398 is a wasteful number, since it uses less digits than its factorization.

513526320398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821573211.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 513526320398 in words is "five hundred thirteen billion, five hundred twenty-six million, three hundred twenty thousand, three hundred ninety-eight".