244130132591 has 2 divisors, whose sum is σ = 244130132592. Its totient is φ = 244130132590.

The previous prime is 244130132537. The next prime is 244130132651. The reversal of 244130132591 is 195231031442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244130132591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244130137591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122065066295 + 122065066296.

It is an arithmetic number, because the mean of its divisors is an integer number (122065066296).

Almost surely, 2^244130132591 is an apocalyptic number.

244130132591 is a deficient number, since it is larger than the sum of its proper divisors (1).

244130132591 is an equidigital number, since it uses as much as digits as its factorization.

244130132591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 244130132591 in words is "two hundred forty-four billion, one hundred thirty million, one hundred thirty-two thousand, five hundred ninety-one".