19895232825 has 48 divisors (see below), whose sum is σ = 39359703040. Its totient is φ = 9794571840.

The previous prime is 19895232811. The next prime is 19895232839. The reversal of 19895232825 is 52823259891.

It is a happy number.

19895232825 is a `hidden beast` number, since 1 + 98 + 9 + 523 + 2 + 8 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (19895232811) and next prime (19895232839).

It is not a de Polignac number, because 19895232825 - 2¹² = 19895228729 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, 1124857 + ... + 1142406.

Almost surely, 2^19895232825 is an apocalyptic number.

19895232825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19895232825 is a deficient number, since it is larger than the sum of its proper divisors (19464470215).

19895232825 is a wasteful number, since it uses less digits than its factorization.

19895232825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267295 (or 2267284 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 19895232825 in words is "nineteen billion, eight hundred ninety-five million, two hundred thirty-two thousand, eight hundred twenty-five".