2659965354 has 72 divisors (see below), whose sum is σ = 5985645120. Its totient is φ = 853673040.

The previous prime is 2659965311. The next prime is 2659965379. The reversal of 2659965354 is 4535699562.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2659965354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6348157 + ... + 6348575.

It is an arithmetic number, because the mean of its divisors is an integer number (83133960).

Almost surely, 2^2659965354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2659965354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2992822560).

2659965354 is an abundant number, since it is smaller than the sum of its proper divisors (3325679766).

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

2659965354 is a wasteful number, since it uses less digits than its factorization.

2659965354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 822 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 54.

The square root of 2659965354 is about 51574.8519532533. The cubic root of 2659965354 is about 1385.5599666309.

The spelling of 2659965354 in words is "two billion, six hundred fifty-nine million, nine hundred sixty-five thousand, three hundred fifty-four".