2552965909 has 16 divisors (see below), whose sum is σ = 2856899584. Its totient is φ = 2265408000.

The previous prime is 2552965873. The next prime is 2552965963. The reversal of 2552965909 is 9095692552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2552965909 - 2⁹ = 2552965397 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 (2552995909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39877 + ... + 81829.

It is an arithmetic number, because the mean of its divisors is an integer number (178556224).

Almost surely, 2^2552965909 is an apocalyptic number.

It is an amenable number.

2552965909 is a deficient number, since it is larger than the sum of its proper divisors (303933675).

2552965909 is a wasteful number, since it uses less digits than its factorization.

2552965909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42148.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The square root of 2552965909 is about 50526.8830326985. The cubic root of 2552965909 is about 1366.7266781963.

The spelling of 2552965909 in words is "two billion, five hundred fifty-two million, nine hundred sixty-five thousand, nine hundred nine".