2630719889 has 12 divisors (see below), whose sum is σ = 3076092324. Its totient is φ = 2243211264.

The previous prime is 2630719877. The next prime is 2630719901. The reversal of 2630719889 is 9889170362.

2630719889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2630719877) and next prime (2630719901).

It can be written as a sum of positive squares in 2 ways, for example, as 454030864 + 2176689025 = 21308^2 + 46655^2 .

It is not a de Polignac number, because 2630719889 - 2⁸ = 2630719633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2630719889.

It is not an unprimeable number, because it can be changed into a prime (2630716889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129632 + ... + 148545.

It is an arithmetic number, because the mean of its divisors is an integer number (256341027).

Almost surely, 2^2630719889 is an apocalyptic number.

It is an amenable number.

2630719889 is a deficient number, since it is larger than the sum of its proper divisors (445372435).

2630719889 is a wasteful number, since it uses less digits than its factorization.

2630719889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278384 (or 278377 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 2630719889 is about 51290.5438555685. The cubic root of 2630719889 is about 1380.4633130666.

The spelling of 2630719889 in words is "two billion, six hundred thirty million, seven hundred nineteen thousand, eight hundred eighty-nine".