442451635013 has 8 divisors (see below), whose sum is σ = 453279490776. Its totient is φ = 431625510400.

The previous prime is 442451634959. The next prime is 442451635033. The reversal of 442451635013 is 310536154244.

It can be written as a sum of positive squares in 4 ways, for example, as 1511809924 + 440939825089 = 38882^2 + 664033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442451635013 - 2⁶ = 442451634949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442451635033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92333 + ... + 945213.

It is an arithmetic number, because the mean of its divisors is an integer number (56659936347).

Almost surely, 2^442451635013 is an apocalyptic number.

It is an amenable number.

442451635013 is a deficient number, since it is larger than the sum of its proper divisors (10827855763).

442451635013 is a wasteful number, since it uses less digits than its factorization.

442451635013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865575.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 442451635013 its reverse (310536154244), we get a palindrome (752987789257).

The spelling of 442451635013 in words is "four hundred forty-two billion, four hundred fifty-one million, six hundred thirty-five thousand, thirteen".