2566468731 has 16 divisors (see below), whose sum is σ = 3582399744. Its totient is φ = 1631244384.

The previous prime is 2566468711. The next prime is 2566468739. The reversal of 2566468731 is 1378646652.

It is not a de Polignac number, because 2566468731 - 2⁷ = 2566468603 is a prime.

It is a super-2 number, since 2×2566468731² = 13173523494401500722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2566468739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39396 + ... + 81761.

It is an arithmetic number, because the mean of its divisors is an integer number (223899984).

Almost surely, 2^2566468731 is an apocalyptic number.

2566468731 is a deficient number, since it is larger than the sum of its proper divisors (1015931013).

2566468731 is a wasteful number, since it uses less digits than its factorization.

2566468731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121490.

The product of its digits is 1451520, while the sum is 48.

The square root of 2566468731 is about 50660.3269926281. The cubic root of 2566468731 is about 1369.1320147026.

It can be divided in two parts, 25664 and 68731, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 2566468731 in words is "two billion, five hundred sixty-six million, four hundred sixty-eight thousand, seven hundred thirty-one".