19932311153 has 4 divisors (see below), whose sum is σ = 19949020068. Its totient is φ = 19915602240.

The previous prime is 19932311137. The next prime is 19932311173. The reversal of 19932311153 is 35111323991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7014397504 + 12917913649 = 83752^2 + 113657^2 .

It is a cyclic number.

It is not a de Polignac number, because 19932311153 - 2⁴ = 19932311137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19932311123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8352668 + ... + 8355053.

It is an arithmetic number, because the mean of its divisors is an integer number (4987255017).

Almost surely, 2^19932311153 is an apocalyptic number.

It is an amenable number.

19932311153 is a deficient number, since it is larger than the sum of its proper divisors (16708915).

19932311153 is a wasteful number, since it uses less digits than its factorization.

19932311153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16708914.

The product of its digits is 21870, while the sum is 38.

The spelling of 19932311153 in words is "nineteen billion, nine hundred thirty-two million, three hundred eleven thousand, one hundred fifty-three".