19695325760 has 224 divisors, whose sum is σ = 52494314112. Its totient is φ = 6977617920.

The previous prime is 19695325709. The next prime is 19695325817. The reversal of 19695325760 is 6752359691.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36005807 + ... + 36006353.

Almost surely, 2^19695325760 is an apocalyptic number.

19695325760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19695325760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26247157056).

19695325760 is an abundant number, since it is smaller than the sum of its proper divisors (32798988352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19695325760 is a wasteful number, since it uses less digits than its factorization.

19695325760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 19695325760 in words is "nineteen billion, six hundred ninety-five million, three hundred twenty-five thousand, seven hundred sixty".