2576434723 has 12 divisors (see below), whose sum is σ = 2731297968. Its totient is φ = 2429670320.

The previous prime is 2576434699. The next prime is 2576434739. The reversal of 2576434723 is 3274346752.

It is a de Polignac number, because none of the positive numbers 2^k-2576434723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2576434723.

It is not an unprimeable number, because it can be changed into a prime (2576434123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3261 + ... + 71857.

It is an arithmetic number, because the mean of its divisors is an integer number (227608164).

Almost surely, 2^2576434723 is an apocalyptic number.

2576434723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2576434723 is a deficient number, since it is larger than the sum of its proper divisors (154863245).

2576434723 is an equidigital number, since it uses as much as digits as its factorization.

2576434723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68714 (or 68691 counting only the distinct ones).

The product of its digits is 846720, while the sum is 43.

The square root of 2576434723 is about 50758.5926026323. The cubic root of 2576434723 is about 1370.9019090040.

The spelling of 2576434723 in words is "two billion, five hundred seventy-six million, four hundred thirty-four thousand, seven hundred twenty-three".