2149863129 has 48 divisors (see below), whose sum is σ = 3470014080. Its totient is φ = 1274641920.

The previous prime is 2149863097. The next prime is 2149863169. The reversal of 2149863129 is 9213689412.

2149863129 is a `hidden beast` number, since 2 + 1 + 4 + 9 + 8 + 631 + 2 + 9 = 666.

It is not a de Polignac number, because 2149863129 - 2⁵ = 2149863097 is a prime.

It is a super-2 number, since 2×2149863129² = 9243822946867341282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2149863169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1572004 + ... + 1573370.

It is an arithmetic number, because the mean of its divisors is an integer number (72291960).

Almost surely, 2^2149863129 is an apocalyptic number.

It is an amenable number.

2149863129 is a deficient number, since it is larger than the sum of its proper divisors (1320150951).

2149863129 is a wasteful number, since it uses less digits than its factorization.

2149863129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1947 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2149863129 is about 46366.6165360381. The cubic root of 2149863129 is about 1290.6354918263.

The spelling of 2149863129 in words is "two billion, one hundred forty-nine million, eight hundred sixty-three thousand, one hundred twenty-nine".