2309649052 has 48 divisors (see below), whose sum is σ = 4322590272. Its totient is φ = 1077373440.

The previous prime is 2309649049. The next prime is 2309649061. The reversal of 2309649052 is 2509469032.

It is a junction number, because it is equal to n+sod(n) for n = 2309648996 and 2309649014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881248 + ... + 883864.

It is an arithmetic number, because the mean of its divisors is an integer number (90053964).

Almost surely, 2^2309649052 is an apocalyptic number.

It is an amenable number.

2309649052 is a deficient number, since it is larger than the sum of its proper divisors (2012941220).

2309649052 is a wasteful number, since it uses less digits than its factorization.

2309649052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2309649052 is about 48058.8082665394. The cubic root of 2309649052 is about 1321.8494606053.

The spelling of 2309649052 in words is "two billion, three hundred nine million, six hundred forty-nine thousand, fifty-two".