19572996109 has 8 divisors (see below), whose sum is σ = 20140307712. Its totient is φ = 19009966560.

The previous prime is 19572996043. The next prime is 19572996139. The reversal of 19572996109 is 90169927591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19572996109 - 2¹⁵ = 19572963341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19572996139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061239 + ... + 1079524.

It is an arithmetic number, because the mean of its divisors is an integer number (2517538464).

Almost surely, 2^19572996109 is an apocalyptic number.

It is an amenable number.

19572996109 is a deficient number, since it is larger than the sum of its proper divisors (567311603).

19572996109 is a wasteful number, since it uses less digits than its factorization.

19572996109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141027.

The product of its (nonzero) digits is 2755620, while the sum is 58.

The spelling of 19572996109 in words is "nineteen billion, five hundred seventy-two million, nine hundred ninety-six thousand, one hundred nine".