2306969491 has 2 divisors, whose sum is σ = 2306969492. Its totient is φ = 2306969490.

The previous prime is 2306969453. The next prime is 2306969521. The reversal of 2306969491 is 1949696032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2306969491 - 2¹³ = 2306961299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2306961491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153484745 + 1153484746.

It is an arithmetic number, because the mean of its divisors is an integer number (1153484746).

Almost surely, 2^2306969491 is an apocalyptic number.

2306969491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2306969491 is an equidigital number, since it uses as much as digits as its factorization.

2306969491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 2306969491 is about 48030.9222376585. The cubic root of 2306969491 is about 1321.3380774444.

The spelling of 2306969491 in words is "two billion, three hundred six million, nine hundred sixty-nine thousand, four hundred ninety-one".