2149698131 has 8 divisors (see below), whose sum is σ = 2536049664. Its totient is φ = 1783159560.

The previous prime is 2149698119. The next prime is 2149698137. The reversal of 2149698131 is 1318969412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2149698131 - 2²² = 2145503827 is a prime.

It is a super-2 number, since 2×2149698131² = 9242404108849786322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149698137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4953005 + ... + 4953438.

It is an arithmetic number, because the mean of its divisors is an integer number (317006208).

Almost surely, 2^2149698131 is an apocalyptic number.

2149698131 is a deficient number, since it is larger than the sum of its proper divisors (386351533).

2149698131 is an equidigital number, since it uses as much as digits as its factorization.

2149698131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906481.

The product of its digits is 93312, while the sum is 44.

The square root of 2149698131 is about 46364.8372260704. The cubic root of 2149698131 is about 1290.6024730230.

The spelling of 2149698131 in words is "two billion, one hundred forty-nine million, six hundred ninety-eight thousand, one hundred thirty-one".