19707427025 has 48 divisors (see below), whose sum is σ = 28788365760. Its totient is φ = 13193798400.

The previous prime is 19707427001. The next prime is 19707427037. The reversal of 19707427025 is 52072470791.

It is not a de Polignac number, because 19707427025 - 2⁶ = 19707426961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1326086 + ... + 1340864.

It is an arithmetic number, because the mean of its divisors is an integer number (599757620).

Almost surely, 2^19707427025 is an apocalyptic number.

It is an amenable number.

19707427025 is a deficient number, since it is larger than the sum of its proper divisors (9080938735).

19707427025 is a wasteful number, since it uses less digits than its factorization.

19707427025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15186 (or 15181 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 19707427025 in words is "nineteen billion, seven hundred seven million, four hundred twenty-seven thousand, twenty-five".