442443303877 has 2 divisors, whose sum is σ = 442443303878. Its totient is φ = 442443303876.

The previous prime is 442443303857. The next prime is 442443303881. The reversal of 442443303877 is 778303344244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305625431556 + 136817872321 = 552834^2 + 369889^2 .

It is a cyclic number.

It is not a de Polignac number, because 442443303877 - 2²³ = 442434915269 is a prime.

It is a super-2 number, since 2×442443303877² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442443303877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442443303857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221221651938 + 221221651939.

It is an arithmetic number, because the mean of its divisors is an integer number (221221651939).

Almost surely, 2^442443303877 is an apocalyptic number.

It is an amenable number.

442443303877 is a deficient number, since it is larger than the sum of its proper divisors (1).

442443303877 is an equidigital number, since it uses as much as digits as its factorization.

442443303877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 49.

The spelling of 442443303877 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred three thousand, eight hundred seventy-seven".