444012340091 has 2 divisors, whose sum is σ = 444012340092. Its totient is φ = 444012340090.

The previous prime is 444012340021. The next prime is 444012340139. The reversal of 444012340091 is 190043210444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444012340091 is a prime.

It is not a weakly prime, because it can be changed into another prime (444012340001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222006170045 + 222006170046.

It is an arithmetic number, because the mean of its divisors is an integer number (222006170046).

Almost surely, 2^444012340091 is an apocalyptic number.

444012340091 is a deficient number, since it is larger than the sum of its proper divisors (1).

444012340091 is an equidigital number, since it uses as much as digits as its factorization.

444012340091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 444012340091 in words is "four hundred forty-four billion, twelve million, three hundred forty thousand, ninety-one".