19414192818 has 64 divisors (see below), whose sum is σ = 43000836480. Its totient is φ = 5819558400.

The previous prime is 19414192817. The next prime is 19414192823. The reversal of 19414192818 is 81829141491.

It is a super-2 number, since 2×19414192818² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19414192813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116808 + ... + 229068.

It is an arithmetic number, because the mean of its divisors is an integer number (671888070).

Almost surely, 2^19414192818 is an apocalyptic number.

19414192818 is an abundant number, since it is smaller than the sum of its proper divisors (23586643662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19414192818 is a wasteful number, since it uses less digits than its factorization.

19414192818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112363.

The product of its digits is 165888, while the sum is 48.

The spelling of 19414192818 in words is "nineteen billion, four hundred fourteen million, one hundred ninety-two thousand, eight hundred eighteen".