2102299065 has 12 divisors (see below), whose sum is σ = 3643985124. Its totient is φ = 1121226144.

The previous prime is 2102299057. The next prime is 2102299079. The reversal of 2102299065 is 5609922012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 624050361 + 1478248704 = 24981^2 + 38448^2 .

It is not a de Polignac number, because 2102299065 - 2³ = 2102299057 is a prime.

It is a super-2 number, since 2×2102299065² = 8839322717399748450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23358834 + ... + 23358923.

It is an arithmetic number, because the mean of its divisors is an integer number (303665427).

Almost surely, 2^2102299065 is an apocalyptic number.

It is an amenable number.

2102299065 is a deficient number, since it is larger than the sum of its proper divisors (1541686059).

2102299065 is a wasteful number, since it uses less digits than its factorization.

2102299065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46717768 (or 46717765 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2102299065 is about 45850.8349433246. The cubic root of 2102299065 is about 1281.0463175248.

The spelling of 2102299065 in words is "two billion, one hundred two million, two hundred ninety-nine thousand, sixty-five".