2690684268 has 12 divisors (see below), whose sum is σ = 6278263320. Its totient is φ = 896894752.

The previous prime is 2690684267. The next prime is 2690684273. The reversal of 2690684268 is 8624860962.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2690684268.

It is not an unprimeable number, because it can be changed into a prime (2690684263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112111833 + ... + 112111856.

It is an arithmetic number, because the mean of its divisors is an integer number (523188610).

Almost surely, 2^2690684268 is an apocalyptic number.

It is an amenable number.

2690684268 is an abundant number, since it is smaller than the sum of its proper divisors (3587579052).

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

2690684268 is a wasteful number, since it uses less digits than its factorization.

2690684268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224223696 (or 224223694 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 2690684268 is about 51871.8060992675. The cubic root of 2690684268 is about 1390.8733307192.

The spelling of 2690684268 in words is "two billion, six hundred ninety million, six hundred eighty-four thousand, two hundred sixty-eight".