2309725047 has 16 divisors (see below), whose sum is σ = 3523894272. Its totient is φ = 1318225440.

The previous prime is 2309725027. The next prime is 2309725051. The reversal of 2309725047 is 7405279032.

It is not a de Polignac number, because 2309725047 - 2⁶ = 2309724983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2309724996 and 2309725014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309725027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49743 + ... + 84224.

It is an arithmetic number, because the mean of its divisors is an integer number (220243392).

Almost surely, 2^2309725047 is an apocalyptic number.

2309725047 is a deficient number, since it is larger than the sum of its proper divisors (1214169225).

2309725047 is a wasteful number, since it uses less digits than its factorization.

2309725047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134798.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2309725047 is about 48059.5989059418. The cubic root of 2309725047 is about 1321.8639581683.

The spelling of 2309725047 in words is "two billion, three hundred nine million, seven hundred twenty-five thousand, forty-seven".