2149309926 has 48 divisors (see below), whose sum is σ = 4703624640. Its totient is φ = 709266480.

The previous prime is 2149309907. The next prime is 2149309931. The reversal of 2149309926 is 6299039412.

It is a happy number.

2149309926 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1326745 + ... + 1328363.

It is an arithmetic number, because the mean of its divisors is an integer number (97992180).

Almost surely, 2^2149309926 is an apocalyptic number.

2149309926 is an abundant number, since it is smaller than the sum of its proper divisors (2554314714).

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

2149309926 is a wasteful number, since it uses less digits than its factorization.

2149309926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2149309926 is about 46360.6506209738. The cubic root of 2149309926 is about 1290.5247801774.

The spelling of 2149309926 in words is "two billion, one hundred forty-nine million, three hundred nine thousand, nine hundred twenty-six".