2263992657 has 4 divisors (see below), whose sum is σ = 3018656880. Its totient is φ = 1509328436.

The previous prime is 2263992637. The next prime is 2263992673. The reversal of 2263992657 is 7562993622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2263992657 - 2⁷ = 2263992529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2263992607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377332107 + ... + 377332112.

It is an arithmetic number, because the mean of its divisors is an integer number (754664220).

Almost surely, 2^2263992657 is an apocalyptic number.

It is an amenable number.

2263992657 is a deficient number, since it is larger than the sum of its proper divisors (754664223).

2263992657 is an equidigital number, since it uses as much as digits as its factorization.

2263992657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754664222.

The product of its digits is 2449440, while the sum is 51.

The square root of 2263992657 is about 47581.4318510908. The cubic root of 2263992657 is about 1313.0814658612.

The spelling of 2263992657 in words is "two billion, two hundred sixty-three million, nine hundred ninety-two thousand, six hundred fifty-seven".