2305742049 has 12 divisors (see below), whose sum is σ = 3586710036. Its totient is φ = 1418918112.

The previous prime is 2305742041. The next prime is 2305742053. The reversal of 2305742049 is 9402475032.

2305742049 is a `hidden beast` number, since 23 + 0 + 574 + 20 + 49 = 666.

2305742049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 160199649 + 2145542400 = 12657^2 + 46320^2 .

It is not a de Polignac number, because 2305742049 - 2³ = 2305742041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2305742041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9853482 + ... + 9853715.

It is an arithmetic number, because the mean of its divisors is an integer number (298892503).

Almost surely, 2^2305742049 is an apocalyptic number.

It is an amenable number.

2305742049 is a deficient number, since it is larger than the sum of its proper divisors (1280967987).

2305742049 is a wasteful number, since it uses less digits than its factorization.

2305742049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19707216 (or 19707213 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2305742049 is about 48018.1429149441. The cubic root of 2305742049 is about 1321.1036929577.

The spelling of 2305742049 in words is "two billion, three hundred five million, seven hundred forty-two thousand, forty-nine".