2299752009 has 6 divisors (see below), whose sum is σ = 3321864026. Its totient is φ = 1533168000.

The previous prime is 2299751999. The next prime is 2299752031. The reversal of 2299752009 is 9002579922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2247044409 + 52707600 = 47403^2 + 7260^2 .

It is not a de Polignac number, because 2299752009 - 2⁵ = 2299751977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2299752509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127763992 + ... + 127764009.

Almost surely, 2^2299752009 is an apocalyptic number.

It is an amenable number.

2299752009 is a deficient number, since it is larger than the sum of its proper divisors (1022112017).

2299752009 is a wasteful number, since it uses less digits than its factorization.

2299752009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255528007 (or 255528004 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 2299752009 is about 47955.7296785275. The cubic root of 2299752009 is about 1319.9586781142.

The spelling of 2299752009 in words is "two billion, two hundred ninety-nine million, seven hundred fifty-two thousand, nine".