2149347408 has 60 divisors (see below), whose sum is σ = 6012472320. Its totient is φ = 661335168.

The previous prime is 2149347407. The next prime is 2149347443. The reversal of 2149347408 is 8047439412.

It is a self number, because there is not a number n which added to its sum of digits gives 2149347408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149347407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124368 + ... + 140591.

It is an arithmetic number, because the mean of its divisors is an integer number (100207872).

Almost surely, 2^2149347408 is an apocalyptic number.

It is an amenable number.

2149347408 is an abundant number, since it is smaller than the sum of its proper divisors (3863124912).

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

2149347408 is a wasteful number, since it uses less digits than its factorization.

2149347408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264996 (or 264977 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2149347408 is about 46361.0548628911. The cubic root of 2149347408 is about 1290.5322819912.

The spelling of 2149347408 in words is "two billion, one hundred forty-nine million, three hundred forty-seven thousand, four hundred eight".