2149793269 has 8 divisors (see below), whose sum is σ = 2315990880. Its totient is φ = 1983714096.

The previous prime is 2149793263. The next prime is 2149793311. The reversal of 2149793269 is 9623979412.

It is a happy number.

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

It is not a de Polignac number, because 2149793269 - 2¹⁷ = 2149662197 is a prime.

It is a super-2 number, since 2×2149793269² = 9243222198875412722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149793263) 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, 10074 + ... + 66340.

It is an arithmetic number, because the mean of its divisors is an integer number (289498860).

Almost surely, 2^2149793269 is an apocalyptic number.

It is an amenable number.

2149793269 is a deficient number, since it is larger than the sum of its proper divisors (166197611).

2149793269 is a wasteful number, since it uses less digits than its factorization.

2149793269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59219.

The product of its digits is 1469664, while the sum is 52.

The square root of 2149793269 is about 46365.8631861847. The cubic root of 2149793269 is about 1290.6215119019.

The spelling of 2149793269 in words is "two billion, one hundred forty-nine million, seven hundred ninety-three thousand, two hundred sixty-nine".