2299609901 has 4 divisors (see below), whose sum is σ = 2338586400. Its totient is φ = 2260633404.

The previous prime is 2299609891. The next prime is 2299609913. The reversal of 2299609901 is 1099069922.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1099069922 = 2 ⋅549534961.

It is a cyclic number.

It is not a de Polignac number, because 2299609901 - 2¹⁰ = 2299608877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299609931) 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, 19488161 + ... + 19488278.

It is an arithmetic number, because the mean of its divisors is an integer number (584646600).

Almost surely, 2^2299609901 is an apocalyptic number.

It is an amenable number.

2299609901 is a deficient number, since it is larger than the sum of its proper divisors (38976499).

2299609901 is an equidigital number, since it uses as much as digits as its factorization.

2299609901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38976498.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 2299609901 is about 47954.2479974402. The cubic root of 2299609901 is about 1319.9314895955.

The spelling of 2299609901 in words is "two billion, two hundred ninety-nine million, six hundred nine thousand, nine hundred one".