19376811922 has 16 divisors (see below), whose sum is σ = 33142240152. Its totient is φ = 8417076480.

The previous prime is 19376811911. The next prime is 19376811931. The reversal of 19376811922 is 22911867391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18809848201 + 566963721 = 137149^2 + 23811^2 .

It is a super-2 number, since 2×19376811922² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21919029 + ... + 21919912.

Almost surely, 2^19376811922 is an apocalyptic number.

19376811922 is a deficient number, since it is larger than the sum of its proper divisors (13765428230).

19376811922 is a wasteful number, since it uses less digits than its factorization.

19376811922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43838973.

The product of its digits is 326592, while the sum is 49.

The spelling of 19376811922 in words is "nineteen billion, three hundred seventy-six million, eight hundred eleven thousand, nine hundred twenty-two".