19975367052 has 36 divisors (see below), whose sum is σ = 53150832280. Its totient is φ = 6308010432.

The previous prime is 19975367039. The next prime is 19975367053. The reversal of 19975367052 is 25076357991.

19975367052 is a `hidden beast` number, since 19 + 97 + 536 + 7 + 0 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 19975367052.

It is not an unprimeable number, because it can be changed into a prime (19975367053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14601193 + ... + 14602560.

Almost surely, 2^19975367052 is an apocalyptic number.

19975367052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19975367052 is an abundant number, since it is smaller than the sum of its proper divisors (33175465228).

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

19975367052 is a wasteful number, since it uses less digits than its factorization.

19975367052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29203782 (or 29203777 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 54.

The spelling of 19975367052 in words is "nineteen billion, nine hundred seventy-five million, three hundred sixty-seven thousand, fifty-two".