2516516889 has 8 divisors (see below), whose sum is σ = 3357901152. Its totient is φ = 1676405280.

The previous prime is 2516516887. The next prime is 2516516929. The reversal of 2516516889 is 9886156152.

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

It is not a de Polignac number, because 2516516889 - 2¹ = 2516516887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2516516887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313539 + ... + 321464.

It is an arithmetic number, because the mean of its divisors is an integer number (419737644).

Almost surely, 2^2516516889 is an apocalyptic number.

It is an amenable number.

2516516889 is a deficient number, since it is larger than the sum of its proper divisors (841384263).

2516516889 is a wasteful number, since it uses less digits than its factorization.

2516516889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636327.

The product of its digits is 1036800, while the sum is 51.

The square root of 2516516889 is about 50164.8969798603. The cubic root of 2516516889 is about 1360.1911656380.

The spelling of 2516516889 in words is "two billion, five hundred sixteen million, five hundred sixteen thousand, eight hundred eighty-nine".