19008934625 has 16 divisors (see below), whose sum is σ = 25118632656. Its totient is φ = 14312608000.

The previous prime is 19008934613. The next prime is 19008934649. The reversal of 19008934625 is 52643980091.

It can be written as a sum of positive squares in 8 ways, for example, as 707985664 + 18300948961 = 26608^2 + 135281^2 .

It is not a de Polignac number, because 19008934625 - 2⁶ = 19008934561 is a prime.

It is a super-2 number, since 2×19008934625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19008934625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4470566 + ... + 4474815.

It is an arithmetic number, because the mean of its divisors is an integer number (1569914541).

Almost surely, 2^19008934625 is an apocalyptic number.

It is an amenable number.

19008934625 is a deficient number, since it is larger than the sum of its proper divisors (6109698031).

19008934625 is an equidigital number, since it uses as much as digits as its factorization.

19008934625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945413 (or 8945403 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 19008934625 in words is "nineteen billion, eight million, nine hundred thirty-four thousand, six hundred twenty-five".