442342525201999 has 4 divisors (see below), whose sum is σ = 442342575597040. Its totient is φ = 442342474806960.

The previous prime is 442342525201979. The next prime is 442342525202009. The reversal of 442342525201999 is 999102525243244.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442342525201999 - 2¹⁵ = 442342525169231 is a prime.

It is a super-2 number, since 2×442342525201999² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442342525201909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216814 + ... + 30857755.

It is an arithmetic number, because the mean of its divisors is an integer number (110585643899260).

Almost surely, 2^{442342525201999} is an apocalyptic number.

442342525201999 is a deficient number, since it is larger than the sum of its proper divisors (50395041).

442342525201999 is a wasteful number, since it uses less digits than its factorization.

442342525201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50395040.

The product of its (nonzero) digits is 55987200, while the sum is 61.

The spelling of 442342525201999 in words is "four hundred forty-two trillion, three hundred forty-two billion, five hundred twenty-five million, two hundred one thousand, nine hundred ninety-nine".