2652637765 has 16 divisors (see below), whose sum is σ = 3239904240. Its totient is φ = 2084382720.

The previous prime is 2652637751. The next prime is 2652637777. The reversal of 2652637765 is 5677362562.

It can be written as a sum of positive squares in 8 ways, for example, as 522076801 + 2130560964 = 22849^2 + 46158^2 .

It is not a de Polignac number, because 2652637765 - 2¹¹ = 2652635717 is a prime.

It is a super-2 number, since 2×2652637765² = 14072974224608390450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 225141 + ... + 236629.

It is an arithmetic number, because the mean of its divisors is an integer number (202494015).

Almost surely, 2^2652637765 is an apocalyptic number.

It is an amenable number.

2652637765 is a deficient number, since it is larger than the sum of its proper divisors (587266475).

2652637765 is a wasteful number, since it uses less digits than its factorization.

2652637765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312.

The product of its digits is 3175200, while the sum is 49.

The square root of 2652637765 is about 51503.7645711457. The cubic root of 2652637765 is about 1384.2864975193.

The spelling of 2652637765 in words is "two billion, six hundred fifty-two million, six hundred thirty-seven thousand, seven hundred sixty-five".