2456891235779 has 16 divisors (see below), whose sum is σ = 2600425353600. Its totient is φ = 2314787175936.

The previous prime is 2456891235761. The next prime is 2456891235787. The reversal of 2456891235779 is 9775321986542.

It is a cyclic number.

It is not a de Polignac number, because 2456891235779 - 2²⁰ = 2456890187203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2456891235749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11640812 + ... + 11849990.

It is an arithmetic number, because the mean of its divisors is an integer number (162526584600).

Almost surely, 2^{2456891235779} is an apocalyptic number.

2456891235779 is a deficient number, since it is larger than the sum of its proper divisors (143534117821).

2456891235779 is a wasteful number, since it uses less digits than its factorization.

2456891235779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212594.

The product of its digits is 228614400, while the sum is 68.

The spelling of 2456891235779 in words is "two trillion, four hundred fifty-six billion, eight hundred ninety-one million, two hundred thirty-five thousand, seven hundred seventy-nine".