5709657831 has 8 divisors (see below), whose sum is σ = 7613232624. Its totient is φ = 3806260800.

The previous prime is 5709657823. The next prime is 5709657847. The reversal of 5709657831 is 1387569075.

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

It is not a de Polignac number, because 5709657831 - 2³ = 5709657823 is a prime.

It is a super-2 number, since 2×5709657831² = 65200385094199249122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709657131) 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, 81481 + ... + 134381.

It is an arithmetic number, because the mean of its divisors is an integer number (951654078).

Almost surely, 2^5709657831 is an apocalyptic number.

5709657831 is a deficient number, since it is larger than the sum of its proper divisors (1903574793).

5709657831 is a wasteful number, since it uses less digits than its factorization.

5709657831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88881.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The square root of 5709657831 is about 75562.2778309389. The cubic root of 5709657831 is about 1787.3243036987.

The spelling of 5709657831 in words is "five billion, seven hundred nine million, six hundred fifty-seven thousand, eight hundred thirty-one".