2669449836 has 12 divisors (see below), whose sum is σ = 6228716312. Its totient is φ = 889816608.

The previous prime is 2669449823. The next prime is 2669449873. The reversal of 2669449836 is 6389449662.

It is a happy number.

2669449836 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111227065 + ... + 111227088.

Almost surely, 2^2669449836 is an apocalyptic number.

It is an amenable number.

2669449836 is an abundant number, since it is smaller than the sum of its proper divisors (3559266476).

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

2669449836 is a wasteful number, since it uses less digits than its factorization.

2669449836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222454160 (or 222454158 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 57.

The square root of 2669449836 is about 51666.7188429844. The cubic root of 2669449836 is about 1387.2048164200.

The spelling of 2669449836 in words is "two billion, six hundred sixty-nine million, four hundred forty-nine thousand, eight hundred thirty-six".