2566246431 has 16 divisors (see below), whose sum is σ = 3911571968. Its totient is φ = 1466013600.

The previous prime is 2566246429. The next prime is 2566246447. The reversal of 2566246431 is 1346426652.

It is not a de Polignac number, because 2566246431 - 2¹ = 2566246429 is a prime.

It is a super-2 number, since 2×2566246431² = 13171241489240475522, which contains 22 as substring.

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 2566246431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566246411) 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, 69246 + ... + 99636.

It is an arithmetic number, because the mean of its divisors is an integer number (244473248).

Almost surely, 2^2566246431 is an apocalyptic number.

2566246431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2566246431 is a deficient number, since it is larger than the sum of its proper divisors (1345325537).

2566246431 is a wasteful number, since it uses less digits than its factorization.

2566246431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34422.

The product of its digits is 207360, while the sum is 39.

The square root of 2566246431 is about 50658.1329205884. The cubic root of 2566246431 is about 1369.0924834937.

The spelling of 2566246431 in words is "two billion, five hundred sixty-six million, two hundred forty-six thousand, four hundred thirty-one".