2551095889 has 4 divisors (see below), whose sum is σ = 2552655924. Its totient is φ = 2549535856.

The previous prime is 2551095881. The next prime is 2551095907. The reversal of 2551095889 is 9885901552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436475664 + 2114620225 = 20892^2 + 45985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551095889 - 2³ = 2551095881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551095881) 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, 777562 + ... + 780835.

It is an arithmetic number, because the mean of its divisors is an integer number (638163981).

Almost surely, 2^2551095889 is an apocalyptic number.

It is an amenable number.

2551095889 is a deficient number, since it is larger than the sum of its proper divisors (1560035).

2551095889 is a wasteful number, since it uses less digits than its factorization.

2551095889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560034.

The product of its (nonzero) digits is 1296000, while the sum is 52.

The square root of 2551095889 is about 50508.3744442444. The cubic root of 2551095889 is about 1366.3928925001.

The spelling of 2551095889 in words is "two billion, five hundred fifty-one million, ninety-five thousand, eight hundred eighty-nine".