513682671398 has 8 divisors (see below), whose sum is σ = 829795084608. Its totient is φ = 237084309864.

The previous prime is 513682671389. The next prime is 513682671407. The reversal of 513682671398 is 893176286315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (513682671389) and next prime (513682671407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9878512886 + ... + 9878512937.

It is an arithmetic number, because the mean of its divisors is an integer number (103724385576).

Almost surely, 2^513682671398 is an apocalyptic number.

513682671398 is a deficient number, since it is larger than the sum of its proper divisors (316112413210).

513682671398 is a wasteful number, since it uses less digits than its factorization.

513682671398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757025838.

The product of its digits is 13063680, while the sum is 59.

The spelling of 513682671398 in words is "five hundred thirteen billion, six hundred eighty-two million, six hundred seventy-one thousand, three hundred ninety-eight".