513025426268 has 24 divisors (see below), whose sum is σ = 943980428160. Its totient is φ = 243487003760.

The previous prime is 513025426211. The next prime is 513025426271. The reversal of 513025426268 is 862624520315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21271778 + ... + 21295881.

It is an arithmetic number, because the mean of its divisors is an integer number (39332517840).

Almost surely, 2^513025426268 is an apocalyptic number.

It is an amenable number.

513025426268 is a deficient number, since it is larger than the sum of its proper divisors (430955001892).

513025426268 is a wasteful number, since it uses less digits than its factorization.

513025426268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42567817 (or 42567815 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 513025426268 in words is "five hundred thirteen billion, twenty-five million, four hundred twenty-six thousand, two hundred sixty-eight".