15800969842 has 16 divisors (see below), whose sum is σ = 27094334400. Its totient is φ = 6770104848.

The previous prime is 15800969827. The next prime is 15800969851. The reversal of 15800969842 is 24896900851.

It is a self number, because there is not a number n which added to its sum of digits gives 15800969842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87717 + ... + 198232.

It is an arithmetic number, because the mean of its divisors is an integer number (1693395900).

Almost surely, 2^15800969842 is an apocalyptic number.

15800969842 is a deficient number, since it is larger than the sum of its proper divisors (11293364558).

15800969842 is a wasteful number, since it uses less digits than its factorization.

15800969842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289905.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 15800969842 in words is "fifteen billion, eight hundred million, nine hundred sixty-nine thousand, eight hundred forty-two".