2149673233 has 2 divisors, whose sum is σ = 2149673234. Its totient is φ = 2149673232.

The previous prime is 2149673231. The next prime is 2149673237. The reversal of 2149673233 is 3323769412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2106534609 + 43138624 = 45897^2 + 6568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2149673233 - 2¹ = 2149673231 is a prime.

Together with 2149673231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2149673231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074836616 + 1074836617.

It is an arithmetic number, because the mean of its divisors is an integer number (1074836617).

Almost surely, 2^2149673233 is an apocalyptic number.

It is an amenable number.

2149673233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149673233 is an equidigital number, since it uses as much as digits as its factorization.

2149673233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 2149673233 is about 46364.5687244042. The cubic root of 2149673233 is about 1290.5974903786.

The spelling of 2149673233 in words is "two billion, one hundred forty-nine million, six hundred seventy-three thousand, two hundred thirty-three".