15950983645 has 32 divisors (see below), whose sum is σ = 20528640000. Its totient is φ = 11861928000.

The previous prime is 15950983639. The next prime is 15950983663. The reversal of 15950983645 is 54638905951.

It is not a de Polignac number, because 15950983645 - 2³ = 15950983637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3355020 + ... + 3359770.

It is an arithmetic number, because the mean of its divisors is an integer number (641520000).

Almost surely, 2^15950983645 is an apocalyptic number.

It is an amenable number.

15950983645 is a deficient number, since it is larger than the sum of its proper divisors (4577656355).

15950983645 is a wasteful number, since it uses less digits than its factorization.

15950983645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433.

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 15950983645 in words is "fifteen billion, nine hundred fifty million, nine hundred eighty-three thousand, six hundred forty-five".