2456172479 has 4 divisors (see below), whose sum is σ = 2456284584. Its totient is φ = 2456060376.

The previous prime is 2456172473. The next prime is 2456172539. The reversal of 2456172479 is 9742716542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2456172479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456172473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11252 + ... + 70985.

It is an arithmetic number, because the mean of its divisors is an integer number (614071146).

Almost surely, 2^2456172479 is an apocalyptic number.

2456172479 is a deficient number, since it is larger than the sum of its proper divisors (112105).

2456172479 is an equidigital number, since it uses as much as digits as its factorization.

2456172479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112104.

The product of its digits is 846720, while the sum is 47.

The square root of 2456172479 is about 49559.7869143926. The cubic root of 2456172479 is about 1349.2309252816.

The spelling of 2456172479 in words is "two billion, four hundred fifty-six million, one hundred seventy-two thousand, four hundred seventy-nine".