2309711149 has 2 divisors, whose sum is σ = 2309711150. Its totient is φ = 2309711148.

The previous prime is 2309711143. The next prime is 2309711161. The reversal of 2309711149 is 9411179032.

2309711149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1177725124 + 1131986025 = 34318^2 + 33645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2309711149 - 2¹⁵ = 2309678381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2309711143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154855574 + 1154855575.

It is an arithmetic number, because the mean of its divisors is an integer number (1154855575).

Almost surely, 2^2309711149 is an apocalyptic number.

It is an amenable number.

2309711149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309711149 is an equidigital number, since it uses as much as digits as its factorization.

2309711149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2309711149 is about 48059.4543144218. The cubic root of 2309711149 is about 1321.8613068712.

The spelling of 2309711149 in words is "two billion, three hundred nine million, seven hundred eleven thousand, one hundred forty-nine".