2319880469891 has 4 divisors (see below), whose sum is σ = 2319891554784. Its totient is φ = 2319869385000.

The previous prime is 2319880469873. The next prime is 2319880469899. The reversal of 2319880469891 is 1989640889132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2319880469891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2319880469899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222360 + ... + 5649141.

It is an arithmetic number, because the mean of its divisors is an integer number (579972888696).

Almost surely, 2^{2319880469891} is an apocalyptic number.

2319880469891 is a deficient number, since it is larger than the sum of its proper divisors (11084893).

2319880469891 is a wasteful number, since it uses less digits than its factorization.

2319880469891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084892.

The product of its (nonzero) digits is 53747712, while the sum is 68.

The spelling of 2319880469891 in words is "two trillion, three hundred nineteen billion, eight hundred eighty million, four hundred sixty-nine thousand, eight hundred ninety-one".