5381615831 has 16 divisors (see below), whose sum is σ = 5651942400. Its totient is φ = 5114435040.

The previous prime is 5381615821. The next prime is 5381615839. The reversal of 5381615831 is 1385161835.

It is a cyclic number.

It is not a de Polignac number, because 5381615831 - 2³⁰ = 4307874007 is a prime.

It is a super-2 number, since 2×5381615831² = 57923577904939641122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381615839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760245 + ... + 2762193.

It is an arithmetic number, because the mean of its divisors is an integer number (353246400).

Almost surely, 2^5381615831 is an apocalyptic number.

5381615831 is a deficient number, since it is larger than the sum of its proper divisors (270326569).

5381615831 is a wasteful number, since it uses less digits than its factorization.

5381615831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its digits is 86400, while the sum is 41.

The square root of 5381615831 is about 73359.4972106543. The cubic root of 5381615831 is about 1752.4174297739.

The spelling of 5381615831 in words is "five billion, three hundred eighty-one million, six hundred fifteen thousand, eight hundred thirty-one".