441231243157 has 2 divisors, whose sum is σ = 441231243158. Its totient is φ = 441231243156.

The previous prime is 441231243067. The next prime is 441231243217. The reversal of 441231243157 is 751342132144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389025390961 + 52205852196 = 623719^2 + 228486^2 .

It is a cyclic number.

It is not a de Polignac number, because 441231243157 - 2³¹ = 439083759509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441231249157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220615621578 + 220615621579.

It is an arithmetic number, because the mean of its divisors is an integer number (220615621579).

Almost surely, 2^441231243157 is an apocalyptic number.

It is an amenable number.

441231243157 is a deficient number, since it is larger than the sum of its proper divisors (1).

441231243157 is an equidigital number, since it uses as much as digits as its factorization.

441231243157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The spelling of 441231243157 in words is "four hundred forty-one billion, two hundred thirty-one million, two hundred forty-three thousand, one hundred fifty-seven".