2149065013 has 8 divisors (see below), whose sum is σ = 2278935000. Its totient is φ = 2019578880.

The previous prime is 2149065011. The next prime is 2149065019. The reversal of 2149065013 is 3105609412.

It can be written as a sum of positive squares in 4 ways, for example, as 925254724 + 1223810289 = 30418^2 + 34983^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2149065013 - 2¹ = 2149065011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149065011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84388 + ... + 106861.

It is an arithmetic number, because the mean of its divisors is an integer number (284866875).

Almost surely, 2^2149065013 is an apocalyptic number.

It is an amenable number.

2149065013 is a deficient number, since it is larger than the sum of its proper divisors (129869987).

2149065013 is a wasteful number, since it uses less digits than its factorization.

2149065013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191927.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2149065013 is about 46358.0091569947. The cubic root of 2149065013 is about 1290.4757600559.

The spelling of 2149065013 in words is "two billion, one hundred forty-nine million, sixty-five thousand, thirteen".