442355471417 has 4 divisors (see below), whose sum is σ = 449853021840. Its totient is φ = 434857920996.

The previous prime is 442355471401. The next prime is 442355471431. The reversal of 442355471417 is 714174553244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442355471417 - 2⁴ = 442355471401 is a prime.

It is a super-3 number, since 3×442355471417³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442355471497) 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, 3748775123 + ... + 3748775240.

It is an arithmetic number, because the mean of its divisors is an integer number (112463255460).

Almost surely, 2^442355471417 is an apocalyptic number.

It is an amenable number.

442355471417 is a deficient number, since it is larger than the sum of its proper divisors (7497550423).

442355471417 is an equidigital number, since it uses as much as digits as its factorization.

442355471417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497550422.

The product of its digits is 1881600, while the sum is 47.

The spelling of 442355471417 in words is "four hundred forty-two billion, three hundred fifty-five million, four hundred seventy-one thousand, four hundred seventeen".