2665902895 has 16 divisors (see below), whose sum is σ = 3235232448. Its totient is φ = 2108666880.

The previous prime is 2665902887. The next prime is 2665902913. The reversal of 2665902895 is 5982095662.

It is a happy number.

It is not a de Polignac number, because 2665902895 - 2³ = 2665902887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660985 + ... + 665005.

It is an arithmetic number, because the mean of its divisors is an integer number (202202028).

Almost surely, 2^2665902895 is an apocalyptic number.

2665902895 is a deficient number, since it is larger than the sum of its proper divisors (569329553).

2665902895 is a wasteful number, since it uses less digits than its factorization.

2665902895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The square root of 2665902895 is about 51632.3822324711. The cubic root of 2665902895 is about 1386.5901436355.

The spelling of 2665902895 in words is "two billion, six hundred sixty-five million, nine hundred two thousand, eight hundred ninety-five".