444330223113157 has 2 divisors, whose sum is σ = 444330223113158. Its totient is φ = 444330223113156.

The previous prime is 444330223113143. The next prime is 444330223113197. The reversal of 444330223113157 is 751311322033444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406469509665921 + 37860713447236 = 20161089^2 + 6153106^2 .

It is a cyclic number.

It is not a de Polignac number, because 444330223113157 - 2¹¹ = 444330223111109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444330223113197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222165111556578 + 222165111556579.

It is an arithmetic number, because the mean of its divisors is an integer number (222165111556579).

Almost surely, 2^{444330223113157} is an apocalyptic number.

It is an amenable number.

444330223113157 is a deficient number, since it is larger than the sum of its proper divisors (1).

444330223113157 is an equidigital number, since it uses as much as digits as its factorization.

444330223113157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 444330223113157 in words is "four hundred forty-four trillion, three hundred thirty billion, two hundred twenty-three million, one hundred thirteen thousand, one hundred fifty-seven".