2509889312265 has 8 divisors (see below), whose sum is σ = 4015822899648. Its totient is φ = 1338607633200.

The previous prime is 2509889312257. The next prime is 2509889312299. The reversal of 2509889312265 is 5622139889052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2509889312265 - 2³ = 2509889312257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2509889312199 and 2509889312208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83662977061 + ... + 83662977090.

It is an arithmetic number, because the mean of its divisors is an integer number (501977862456).

Almost surely, 2^{2509889312265} is an apocalyptic number.

It is an amenable number.

2509889312265 is a deficient number, since it is larger than the sum of its proper divisors (1505933587383).

2509889312265 is a wasteful number, since it uses less digits than its factorization.

2509889312265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167325954159.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 2509889312265 in words is "two trillion, five hundred nine billion, eight hundred eighty-nine million, three hundred twelve thousand, two hundred sixty-five".