444300422342013 has 12 divisors (see below), whose sum is σ = 645854966378908. Its totient is φ = 294313655563200.

The previous prime is 444300422341999. The next prime is 444300422342041. The reversal of 444300422342013 is 310243224003444.

444300422342013 is a `hidden beast` number, since 4 + 4 + 4 + 3 + 0 + 0 + 4 + 223 + 420 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 206385777373689 + 237914644968324 = 14366133^2 + 15424482^2 .

It is not a de Polignac number, because 444300422342013 - 2⁶ = 444300422341949 is a prime.

It is a super-2 number, since 2×444300422342013² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444300422342113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157218831688 + ... + 157218834513.

Almost surely, 2^{444300422342013} is an apocalyptic number.

It is an amenable number.

444300422342013 is a deficient number, since it is larger than the sum of its proper divisors (201554544036895).

444300422342013 is a wasteful number, since it uses less digits than its factorization.

444300422342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314437666364 (or 314437666361 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 444300422342013 its reverse (310243224003444), we get a palindrome (754543646345457).

The spelling of 444300422342013 in words is "four hundred forty-four trillion, three hundred billion, four hundred twenty-two million, three hundred forty-two thousand, thirteen".