442433551512157 has 2 divisors, whose sum is σ = 442433551512158. Its totient is φ = 442433551512156.

The previous prime is 442433551512131. The next prime is 442433551512191. The reversal of 442433551512157 is 751215155334244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442408500853081 + 25050659076 = 21033509^2 + 158274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442433551512157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442433551513157) 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, 221216775756078 + 221216775756079.

It is an arithmetic number, because the mean of its divisors is an integer number (221216775756079).

Almost surely, 2^{442433551512157} is an apocalyptic number.

It is an amenable number.

442433551512157 is a deficient number, since it is larger than the sum of its proper divisors (1).

442433551512157 is an equidigital number, since it uses as much as digits as its factorization.

442433551512157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080000, while the sum is 52.

The spelling of 442433551512157 in words is "four hundred forty-two trillion, four hundred thirty-three billion, five hundred fifty-one million, five hundred twelve thousand, one hundred fifty-seven".