2693611408 has 40 divisors (see below), whose sum is σ = 5408727480. Its totient is φ = 1297981440.

The previous prime is 2693611387. The next prime is 2693611457. The reversal of 2693611408 is 8041163962.

It can be written as a sum of positive squares in 4 ways, for example, as 1365154704 + 1328456704 = 36948^2 + 36448^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262698 + ... + 272758.

It is an arithmetic number, because the mean of its divisors is an integer number (135218187).

Almost surely, 2^2693611408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2693611408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2704363740).

2693611408 is an abundant number, since it is smaller than the sum of its proper divisors (2715116072).

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

2693611408 is a wasteful number, since it uses less digits than its factorization.

2693611408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2693611408 is about 51900.0135645454. The cubic root of 2693611408 is about 1391.3775154164.

The spelling of 2693611408 in words is "two billion, six hundred ninety-three million, six hundred eleven thousand, four hundred eight".