5157646398 has 24 divisors (see below), whose sum is σ = 11256474528. Its totient is φ = 1706665632.

The previous prime is 5157646381. The next prime is 5157646409. The reversal of 5157646398 is 8936467515.

5157646398 is a `hidden beast` number, since 5 + 1 + 576 + 4 + 63 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043286 + ... + 1048217.

It is an arithmetic number, because the mean of its divisors is an integer number (469019772).

Almost surely, 2^5157646398 is an apocalyptic number.

5157646398 is an abundant number, since it is smaller than the sum of its proper divisors (6098828130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5157646398 is a wasteful number, since it uses less digits than its factorization.

5157646398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091648 (or 2091645 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 5157646398 is about 71816.7556911338. The cubic root of 5157646398 is about 1727.7617481930.

The spelling of 5157646398 in words is "five billion, one hundred fifty-seven million, six hundred forty-six thousand, three hundred ninety-eight".