2256349965 has 32 divisors (see below), whose sum is σ = 3718742016. Its totient is φ = 1167566400.

The previous prime is 2256349961. The next prime is 2256350003. The reversal of 2256349965 is 5699436522.

2256349965 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2256349965 - 2² = 2256349961 is a prime.

It is a super-2 number, since 2×2256349965² = 10182230329111002450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256349961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85812 + ... + 108978.

It is an arithmetic number, because the mean of its divisors is an integer number (116210688).

Almost surely, 2^2256349965 is an apocalyptic number.

It is an amenable number.

2256349965 is a deficient number, since it is larger than the sum of its proper divisors (1462392051).

2256349965 is a wasteful number, since it uses less digits than its factorization.

2256349965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23369.

The product of its digits is 3499200, while the sum is 51.

The square root of 2256349965 is about 47501.0522515028. The cubic root of 2256349965 is about 1311.6022515687.

The spelling of 2256349965 in words is "two billion, two hundred fifty-six million, three hundred forty-nine thousand, nine hundred sixty-five".