2609693836 has 6 divisors (see below), whose sum is σ = 4566964220. Its totient is φ = 1304846916.

The previous prime is 2609693831. The next prime is 2609693843. The reversal of 2609693836 is 6383969062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2609693831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326211726 + ... + 326211733.

Almost surely, 2^2609693836 is an apocalyptic number.

It is an amenable number.

2609693836 is a deficient number, since it is larger than the sum of its proper divisors (1957270384).

2609693836 is a wasteful number, since it uses less digits than its factorization.

2609693836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652423463 (or 652423461 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The square root of 2609693836 is about 51085.1625817125. The cubic root of 2609693836 is about 1376.7756824819.

The spelling of 2609693836 in words is "two billion, six hundred nine million, six hundred ninety-three thousand, eight hundred thirty-six".