2694491864 has 8 divisors (see below), whose sum is σ = 5052172260. Its totient is φ = 1347245928.

The previous prime is 2694491809. The next prime is 2694491873. The reversal of 2694491864 is 4681944962.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168405734 + ... + 168405749.

Almost surely, 2^2694491864 is an apocalyptic number.

It is an amenable number.

2694491864 is a deficient number, since it is larger than the sum of its proper divisors (2357680396).

2694491864 is a wasteful number, since it uses less digits than its factorization.

2694491864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336811489 (or 336811485 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 53.

The square root of 2694491864 is about 51908.4951043661. The cubic root of 2694491864 is about 1391.5290979381.

The spelling of 2694491864 in words is "two billion, six hundred ninety-four million, four hundred ninety-one thousand, eight hundred sixty-four".