19246969742 has 64 divisors (see below), whose sum is σ = 38806967808. Its totient is φ = 6914160000.

The previous prime is 19246969741. The next prime is 19246969789. The reversal of 19246969742 is 24796964291.

19246969742 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19246969741) 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, 1938992 + ... + 1948892.

It is an arithmetic number, because the mean of its divisors is an integer number (606358872).

Almost surely, 2^19246969742 is an apocalyptic number.

19246969742 is an abundant number, since it is smaller than the sum of its proper divisors (19559998066).

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

19246969742 is a wasteful number, since it uses less digits than its factorization.

19246969742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905.

The product of its digits is 11757312, while the sum is 59.

The spelling of 19246969742 in words is "nineteen billion, two hundred forty-six million, nine hundred sixty-nine thousand, seven hundred forty-two".