944351190091 has 2 divisors, whose sum is σ = 944351190092. Its totient is φ = 944351190090.

The previous prime is 944351190067. The next prime is 944351190121. The reversal of 944351190091 is 190091153449.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 944351190091 - 2¹⁹ = 944350665803 is a prime.

It is not a weakly prime, because it can be changed into another prime (944351190061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472175595045 + 472175595046.

It is an arithmetic number, because the mean of its divisors is an integer number (472175595046).

Almost surely, 2^944351190091 is an apocalyptic number.

944351190091 is a deficient number, since it is larger than the sum of its proper divisors (1).

944351190091 is an equidigital number, since it uses as much as digits as its factorization.

944351190091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 944351190091 in words is "nine hundred forty-four billion, three hundred fifty-one million, one hundred ninety thousand, ninety-one".