9449444607671 has 4 divisors (see below), whose sum is σ = 9541186788432. Its totient is φ = 9357702426912.

The previous prime is 9449444607667. The next prime is 9449444607727. The reversal of 9449444607671 is 1767064449449.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9449444607671 - 2² = 9449444607667 is a prime.

It is a super-2 number, since 2×9449444607671² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9449444607598 and 9449444607607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9449444607641) 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, 45871090226 + ... + 45871090431.

It is an arithmetic number, because the mean of its divisors is an integer number (2385296697108).

Almost surely, 2^{9449444607671} is an apocalyptic number.

9449444607671 is a deficient number, since it is larger than the sum of its proper divisors (91742180761).

9449444607671 is a wasteful number, since it uses less digits than its factorization.

9449444607671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91742180760.

The product of its (nonzero) digits is 146313216, while the sum is 65.

The spelling of 9449444607671 in words is "nine trillion, four hundred forty-nine billion, four hundred forty-four million, six hundred seven thousand, six hundred seventy-one".