19418962674 has 16 divisors (see below), whose sum is σ = 41122509408. Its totient is φ = 6092223552.

The previous prime is 19418962663. The next prime is 19418962679. The reversal of 19418962674 is 47626981491.

It is a super-2 number, since 2×19418962674² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19418962679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95190892 + ... + 95191095.

It is an arithmetic number, because the mean of its divisors is an integer number (2570156838).

Almost surely, 2^19418962674 is an apocalyptic number.

19418962674 is an abundant number, since it is smaller than the sum of its proper divisors (21703546734).

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

19418962674 is a wasteful number, since it uses less digits than its factorization.

19418962674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190382009.

The product of its digits is 5225472, while the sum is 57.

The spelling of 19418962674 in words is "nineteen billion, four hundred eighteen million, nine hundred sixty-two thousand, six hundred seventy-four".