12919495542 has 16 divisors (see below), whose sum is σ = 27358931952. Its totient is φ = 4053175040.

The previous prime is 12919495507. The next prime is 12919495573. The reversal of 12919495542 is 24559491921.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63330759 + ... + 63330962.

It is an arithmetic number, because the mean of its divisors is an integer number (1709933247).

Almost surely, 2^12919495542 is an apocalyptic number.

12919495542 is an abundant number, since it is smaller than the sum of its proper divisors (14439436410).

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

12919495542 is a wasteful number, since it uses less digits than its factorization.

12919495542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126661743.

The product of its digits is 1166400, while the sum is 51.

The spelling of 12919495542 in words is "twelve billion, nine hundred nineteen million, four hundred ninety-five thousand, five hundred forty-two".