6444112631 has 8 divisors (see below), whose sum is σ = 7256713728. Its totient is φ = 5669307000.

The previous prime is 6444112501. The next prime is 6444112663. The reversal of 6444112631 is 1362114446.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6444112631 is a prime.

It is a super-2 number, since 2×6444112631² = 83053175202027484322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444112931) 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, 9448505 + ... + 9449186.

It is an arithmetic number, because the mean of its divisors is an integer number (907089216).

Almost surely, 2^6444112631 is an apocalyptic number.

6444112631 is a deficient number, since it is larger than the sum of its proper divisors (812601097).

6444112631 is a wasteful number, since it uses less digits than its factorization.

6444112631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18897733.

The product of its digits is 13824, while the sum is 32.

The square root of 6444112631 is about 80275.2304948419. The cubic root of 6444112631 is about 1860.8914514150.

The spelling of 6444112631 in words is "six billion, four hundred forty-four million, one hundred twelve thousand, six hundred thirty-one".