244047091 has 2 divisors, whose sum is σ = 244047092. Its totient is φ = 244047090.

The previous prime is 244047073. The next prime is 244047107. The reversal of 244047091 is 190740442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244047091 is a prime.

It is not a weakly prime, because it can be changed into another prime (244047061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122023545 + 122023546.

It is an arithmetic number, because the mean of its divisors is an integer number (122023546).

Almost surely, 2^244047091 is an apocalyptic number.

244047091 is a deficient number, since it is larger than the sum of its proper divisors (1).

244047091 is an equidigital number, since it uses as much as digits as its factorization.

244047091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 244047091 is about 15622.0066252706. The cubic root of 244047091 is about 624.9201741250.

The spelling of 244047091 in words is "two hundred forty-four million, forty-seven thousand, ninety-one".