19470725696 has 28 divisors (see below), whose sum is σ = 38648431212. Its totient is φ = 9732538368.

The previous prime is 19470725689. The next prime is 19470725717. The reversal of 19470725696 is 69652707491.

It can be written as a sum of positive squares in 2 ways, for example, as 12306796096 + 7163929600 = 110936^2 + 84640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187616 + ... + 272288.

Almost surely, 2^19470725696 is an apocalyptic number.

19470725696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19470725696 is a deficient number, since it is larger than the sum of its proper divisors (19177705516).

19470725696 is an equidigital number, since it uses as much as digits as its factorization.

19470725696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88278 (or 88268 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 19470725696 in words is "nineteen billion, four hundred seventy million, seven hundred twenty-five thousand, six hundred ninety-six".