19596352981 has 16 divisors (see below), whose sum is σ = 21633955200. Its totient is φ = 17667574848.

The previous prime is 19596352973. The next prime is 19596352987. The reversal of 19596352981 is 18925369591.

It is a cyclic number.

It is not a de Polignac number, because 19596352981 - 2³ = 19596352973 is a prime.

It is a super-2 number, since 2×19596352981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19596352987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27726 + ... + 199903.

It is an arithmetic number, because the mean of its divisors is an integer number (1352122200).

Almost surely, 2^19596352981 is an apocalyptic number.

It is an amenable number.

19596352981 is a deficient number, since it is larger than the sum of its proper divisors (2037602219).

19596352981 is a wasteful number, since it uses less digits than its factorization.

19596352981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227868.

The product of its digits is 5248800, while the sum is 58.

The spelling of 19596352981 in words is "nineteen billion, five hundred ninety-six million, three hundred fifty-two thousand, nine hundred eighty-one".