2149234287 has 16 divisors (see below), whose sum is σ = 3026274048. Its totient is φ = 1354010240.

The previous prime is 2149234277. The next prime is 2149234291. The reversal of 2149234287 is 7824329412.

It is a cyclic number.

It is not a de Polignac number, because 2149234287 - 2⁴ = 2149234271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149234277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181914 + ... + 193367.

It is an arithmetic number, because the mean of its divisors is an integer number (189142128).

Almost surely, 2^2149234287 is an apocalyptic number.

2149234287 is a deficient number, since it is larger than the sum of its proper divisors (877039761).

2149234287 is a wasteful number, since it uses less digits than its factorization.

2149234287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375390.

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

The square root of 2149234287 is about 46359.8348465566. The cubic root of 2149234287 is about 1290.5096411867.

The spelling of 2149234287 in words is "two billion, one hundred forty-nine million, two hundred thirty-four thousand, two hundred eighty-seven".