19239045102 has 32 divisors (see below), whose sum is σ = 43454316960. Its totient is φ = 6307882560.

The previous prime is 19239045101. The next prime is 19239045107. The reversal of 19239045102 is 20154093291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19239045101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917023 + ... + 2923610.

It is an arithmetic number, because the mean of its divisors is an integer number (1357947405).

Almost surely, 2^19239045102 is an apocalyptic number.

19239045102 is an abundant number, since it is smaller than the sum of its proper divisors (24215271858).

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

19239045102 is a wasteful number, since it uses less digits than its factorization.

19239045102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840705 (or 5840699 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 19239045102 in words is "nineteen billion, two hundred thirty-nine million, forty-five thousand, one hundred two".