19047892906 has 16 divisors (see below), whose sum is σ = 32698463616. Its totient is φ = 8152149456.

The previous prime is 19047892891. The next prime is 19047892921. The reversal of 19047892906 is 60929874091.

It is an interprime number because it is at equal distance from previous prime (19047892891) and next prime (19047892921).

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, 925561 + ... + 945916.

It is an arithmetic number, because the mean of its divisors is an integer number (2043653976).

Almost surely, 2^19047892906 is an apocalyptic number.

19047892906 is a deficient number, since it is larger than the sum of its proper divisors (13650570710).

19047892906 is a wasteful number, since it uses less digits than its factorization.

19047892906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872213.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 19047892906 in words is "nineteen billion, forty-seven million, eight hundred ninety-two thousand, nine hundred six".