2608964694 has 64 divisors (see below), whose sum is σ = 6647546880. Its totient is φ = 742988160.

The previous prime is 2608964669. The next prime is 2608964713. The reversal of 2608964694 is 4964698062.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 2608964694.

It is a congruent number.

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, 106462 + ... + 128654.

It is an arithmetic number, because the mean of its divisors is an integer number (103867920).

Almost surely, 2^2608964694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2608964694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323773440).

2608964694 is an abundant number, since it is smaller than the sum of its proper divisors (4038582186).

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

2608964694 is a wasteful number, since it uses less digits than its factorization.

2608964694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22522 (or 22516 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 2608964694 is about 51078.0255491537. The cubic root of 2608964694 is about 1376.6474479654.

The spelling of 2608964694 in words is "two billion, six hundred eight million, nine hundred sixty-four thousand, six hundred ninety-four".