2149117340 has 24 divisors (see below), whose sum is σ = 4567525200. Its totient is φ = 849289088.

The previous prime is 2149117337. The next prime is 2149117367. The reversal of 2149117340 is 437119412.

It is a junction number, because it is equal to n+sod(n) for n = 2149117297 and 2149117306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645665 + ... + 648984.

It is an arithmetic number, because the mean of its divisors is an integer number (190313550).

Almost surely, 2^2149117340 is an apocalyptic number.

2149117340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149117340 is an abundant number, since it is smaller than the sum of its proper divisors (2418407860).

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

2149117340 is a wasteful number, since it uses less digits than its factorization.

2149117340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294741 (or 1294739 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2149117340 is about 46358.5735328429. The cubic root of 2149117340 is about 1290.4862337854.

The spelling of 2149117340 in words is "two billion, one hundred forty-nine million, one hundred seventeen thousand, three hundred forty".