2656245365 has 8 divisors (see below), whose sum is σ = 3200722008. Its totient is φ = 2116177920.

The previous prime is 2656245341. The next prime is 2656245421. The reversal of 2656245365 is 5635426562.

It can be written as a sum of positive squares in 4 ways, for example, as 497156209 + 2159089156 = 22297^2 + 46466^2 .

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

It is not a de Polignac number, because 2656245365 - 2¹⁶ = 2656179829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1100972 + ... + 1103381.

It is an arithmetic number, because the mean of its divisors is an integer number (400090251).

Almost surely, 2^2656245365 is an apocalyptic number.

It is an amenable number.

2656245365 is a deficient number, since it is larger than the sum of its proper divisors (544476643).

2656245365 is a wasteful number, since it uses less digits than its factorization.

2656245365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204599.

The product of its digits is 1296000, while the sum is 44.

The square root of 2656245365 is about 51538.7753540963. The cubic root of 2656245365 is about 1384.9137586567.

The spelling of 2656245365 in words is "two billion, six hundred fifty-six million, two hundred forty-five thousand, three hundred sixty-five".