244320403091 has 2 divisors, whose sum is σ = 244320403092. Its totient is φ = 244320403090.

The previous prime is 244320403003. The next prime is 244320403111. The reversal of 244320403091 is 190304023442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244320403091 - 2³⁰ = 243246661267 is a prime.

It is not a weakly prime, because it can be changed into another prime (244320403991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122160201545 + 122160201546.

It is an arithmetic number, because the mean of its divisors is an integer number (122160201546).

Almost surely, 2^244320403091 is an apocalyptic number.

244320403091 is a deficient number, since it is larger than the sum of its proper divisors (1).

244320403091 is an equidigital number, since it uses as much as digits as its factorization.

244320403091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 244320403091 in words is "two hundred forty-four billion, three hundred twenty million, four hundred three thousand, ninety-one".