2630289870 has 96 divisors (see below), whose sum is σ = 7377263712. Its totient is φ = 646361856.

The previous prime is 2630289853. The next prime is 2630289881. The reversal of 2630289870 is 789820362.

2630289870 is a `hidden beast` number, since 2 + 630 + 2 + 8 + 9 + 8 + 7 + 0 = 666.

2630289870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856077 + ... + 859143.

It is an arithmetic number, because the mean of its divisors is an integer number (76846497).

Almost surely, 2^2630289870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630289870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688631856).

2630289870 is an abundant number, since it is smaller than the sum of its proper divisors (4746973842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2630289870 is a wasteful number, since it uses less digits than its factorization.

2630289870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2630289870 is about 51286.3516932137. The cubic root of 2630289870 is about 1380.3880918564.

The spelling of 2630289870 in words is "two billion, six hundred thirty million, two hundred eighty-nine thousand, eight hundred seventy".