19852363872 has 120 divisors (see below), whose sum is σ = 63693092232. Its totient is φ = 6015859200.

The previous prime is 19852363871. The next prime is 19852363873. The reversal of 19852363872 is 27836325891.

19852363872 is a `hidden beast` number, since 19 + 8 + 523 + 6 + 38 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (19852363871) and next prime (19852363873).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19852363871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 319629 + ... + 376652.

Almost surely, 2^19852363872 is an apocalyptic number.

19852363872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19852363872 is an abundant number, since it is smaller than the sum of its proper divisors (43840728360).

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

19852363872 is a wasteful number, since it uses less digits than its factorization.

19852363872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696314 (or 696297 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 19852363872 in words is "nineteen billion, eight hundred fifty-two million, three hundred sixty-three thousand, eight hundred seventy-two".