5685621515 has 16 divisors (see below), whose sum is σ = 7799936448. Its totient is φ = 3897455616.

The previous prime is 5685621511. The next prime is 5685621517. The reversal of 5685621515 is 5151265865.

It is a cyclic number.

It is not a de Polignac number, because 5685621515 - 2² = 5685621511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5685621511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91439 + ... + 140471.

It is an arithmetic number, because the mean of its divisors is an integer number (487496028).

Almost surely, 2^5685621515 is an apocalyptic number.

5685621515 is a deficient number, since it is larger than the sum of its proper divisors (2114314933).

5685621515 is a wasteful number, since it uses less digits than its factorization.

5685621515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52358.

The product of its digits is 360000, while the sum is 44.

The square root of 5685621515 is about 75403.0603821887. The cubic root of 5685621515 is about 1784.8127043921.

The spelling of 5685621515 in words is "five billion, six hundred eighty-five million, six hundred twenty-one thousand, five hundred fifteen".