442250231077 has 2 divisors, whose sum is σ = 442250231078. Its totient is φ = 442250231076.

The previous prime is 442250231053. The next prime is 442250231081. The reversal of 442250231077 is 770132052244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372131720676 + 70118510401 = 610026^2 + 264799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442250231077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442250231047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221125115538 + 221125115539.

It is an arithmetic number, because the mean of its divisors is an integer number (221125115539).

Almost surely, 2^442250231077 is an apocalyptic number.

It is an amenable number.

442250231077 is a deficient number, since it is larger than the sum of its proper divisors (1).

442250231077 is an equidigital number, since it uses as much as digits as its factorization.

442250231077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 442250231077 in words is "four hundred forty-two billion, two hundred fifty million, two hundred thirty-one thousand, seventy-seven".