2634617634 has 64 divisors (see below), whose sum is σ = 6214440960. Its totient is φ = 735894720.

The previous prime is 2634617627. The next prime is 2634617641. The reversal of 2634617634 is 4367164362.

It is an interprime number because it is at equal distance from previous prime (2634617627) and next prime (2634617641).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18007 + ... + 74789.

It is an arithmetic number, because the mean of its divisors is an integer number (97100640).

Almost surely, 2^2634617634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2634617634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3107220480).

2634617634 is an abundant number, since it is smaller than the sum of its proper divisors (3579823326).

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

2634617634 is a wasteful number, since it uses less digits than its factorization.

2634617634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56855.

The product of its digits is 435456, while the sum is 42.

The square root of 2634617634 is about 51328.5265130415. The cubic root of 2634617634 is about 1381.1447537616.

The spelling of 2634617634 in words is "two billion, six hundred thirty-four million, six hundred seventeen thousand, six hundred thirty-four".