2566264733 has 8 divisors (see below), whose sum is σ = 2718457848. Its totient is φ = 2414209024.

The previous prime is 2566264669. The next prime is 2566264769. The reversal of 2566264733 is 3374626652.

It can be written as a sum of positive squares in 4 ways, for example, as 974813284 + 1591451449 = 31222^2 + 39893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2566264733 - 2⁶ = 2566264669 is a prime.

It is a super-2 number, since 2×2566264733² = 13171429359679122578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566264783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5435 + ... + 71847.

It is an arithmetic number, because the mean of its divisors is an integer number (339807231).

Almost surely, 2^2566264733 is an apocalyptic number.

It is an amenable number.

2566264733 is a deficient number, since it is larger than the sum of its proper divisors (152193115).

2566264733 is a wasteful number, since it uses less digits than its factorization.

2566264733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68703.

The product of its digits is 1088640, while the sum is 44.

The square root of 2566264733 is about 50658.3135625338. The cubic root of 2566264733 is about 1369.0957381917.

The spelling of 2566264733 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, seven hundred thirty-three".