2149138495 has 16 divisors (see below), whose sum is σ = 3015936000. Its totient is φ = 1439421984.

The previous prime is 2149138477. The next prime is 2149138513. The reversal of 2149138495 is 5948319412.

It is an interprime number because it is at equal distance from previous prime (2149138477) and next prime (2149138513).

It is not a de Polignac number, because 2149138495 - 2⁵ = 2149138463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712495 + ... + 715504.

It is an arithmetic number, because the mean of its divisors is an integer number (188496000).

Almost surely, 2^2149138495 is an apocalyptic number.

2149138495 is a deficient number, since it is larger than the sum of its proper divisors (866797505).

2149138495 is a wasteful number, since it uses less digits than its factorization.

2149138495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428054.

The product of its digits is 311040, while the sum is 46.

The square root of 2149138495 is about 46358.8016993537. The cubic root of 2149138495 is about 1290.4904681046.

The spelling of 2149138495 in words is "two billion, one hundred forty-nine million, one hundred thirty-eight thousand, four hundred ninety-five".