2654121249 has 40 divisors (see below), whose sum is σ = 4279125312. Its totient is φ = 1629732960.

The previous prime is 2654121241. The next prime is 2654121251. The reversal of 2654121249 is 9421214562.

It is a happy number.

It is not a de Polignac number, because 2654121249 - 2³ = 2654121241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2654121241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 527154 + ... + 532164.

Almost surely, 2^2654121249 is an apocalyptic number.

It is an amenable number.

2654121249 is a deficient number, since it is larger than the sum of its proper divisors (1625004063).

2654121249 is a wasteful number, since it uses less digits than its factorization.

2654121249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539 (or 5530 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2654121249 is about 51518.1642627142. The cubic root of 2654121249 is about 1384.5445028650.

The spelling of 2654121249 in words is "two billion, six hundred fifty-four million, one hundred twenty-one thousand, two hundred forty-nine".