442421524022407 has 2 divisors, whose sum is σ = 442421524022408. Its totient is φ = 442421524022406.

The previous prime is 442421524022339. The next prime is 442421524022449. The reversal of 442421524022407 is 704220425124244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442421524022407 - 2³¹ = 442419376538759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442421524022707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221210762011203 + 221210762011204.

It is an arithmetic number, because the mean of its divisors is an integer number (221210762011204).

Almost surely, 2^{442421524022407} is an apocalyptic number.

442421524022407 is a deficient number, since it is larger than the sum of its proper divisors (1).

442421524022407 is an equidigital number, since it uses as much as digits as its factorization.

442421524022407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1146880, while the sum is 43.

The spelling of 442421524022407 in words is "four hundred forty-two trillion, four hundred twenty-one billion, five hundred twenty-four million, twenty-two thousand, four hundred seven".