2319542137409 has 24 divisors (see below), whose sum is σ = 2709577397376. Its totient is φ = 1979834724000.

The previous prime is 2319542137403. The next prime is 2319542137421. The reversal of 2319542137409 is 9047312459132.

It is a de Polignac number, because none of the positive numbers 2^k-2319542137409 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2319542137403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26660639 + ... + 26747499.

It is an arithmetic number, because the mean of its divisors is an integer number (112899058224).

Almost surely, 2^{2319542137409} is an apocalyptic number.

It is an amenable number.

2319542137409 is a deficient number, since it is larger than the sum of its proper divisors (390035259967).

2319542137409 is a wasteful number, since it uses less digits than its factorization.

2319542137409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89157 (or 89150 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 2319542137409 in words is "two trillion, three hundred nineteen billion, five hundred forty-two million, one hundred thirty-seven thousand, four hundred nine".