442250231047 has 2 divisors, whose sum is σ = 442250231048. Its totient is φ = 442250231046.

The previous prime is 442250231029. The next prime is 442250231053. The reversal of 442250231047 is 740132052244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442250231047 - 2²⁷ = 442116013319 is a prime.

It is a super-2 number, since 2×442250231047² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442250231077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221125115523 + 221125115524.

It is an arithmetic number, because the mean of its divisors is an integer number (221125115524).

Almost surely, 2^442250231047 is an apocalyptic number.

442250231047 is a deficient number, since it is larger than the sum of its proper divisors (1).

442250231047 is an equidigital number, since it uses as much as digits as its factorization.

442250231047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 442250231047 in words is "four hundred forty-two billion, two hundred fifty million, two hundred thirty-one thousand, forty-seven".