19922734963 has 4 divisors (see below), whose sum is σ = 19923107728. Its totient is φ = 19922362200.

The previous prime is 19922734961. The next prime is 19922734999. The reversal of 19922734963 is 36943722991.

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

It is a cyclic number.

It is not a de Polignac number, because 19922734963 - 2¹ = 19922734961 is a prime.

It is a super-2 number, since 2×19922734963² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19922734961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89388 + ... + 218713.

It is an arithmetic number, because the mean of its divisors is an integer number (4980776932).

Almost surely, 2^19922734963 is an apocalyptic number.

19922734963 is a deficient number, since it is larger than the sum of its proper divisors (372765).

19922734963 is an equidigital number, since it uses as much as digits as its factorization.

19922734963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372764.

The product of its digits is 4408992, while the sum is 55.

The spelling of 19922734963 in words is "nineteen billion, nine hundred twenty-two million, seven hundred thirty-four thousand, nine hundred sixty-three".