9172001234447 has 8 divisors (see below), whose sum is σ = 9245324998656. Its totient is φ = 9098694709272.

The previous prime is 9172001234413. The next prime is 9172001234467. The reversal of 9172001234447 is 7444321002719.

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 9172001234447 - 2³⁶ = 9103281757711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9172001234398 and 9172001234407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9172001234467) 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, 3240353 + ... + 5370650.

It is an arithmetic number, because the mean of its divisors is an integer number (1155665624832).

Almost surely, 2^{9172001234447} is an apocalyptic number.

9172001234447 is a deficient number, since it is larger than the sum of its proper divisors (73323764209).

9172001234447 is a wasteful number, since it uses less digits than its factorization.

9172001234447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619517.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 9172001234447 in words is "nine trillion, one hundred seventy-two billion, one million, two hundred thirty-four thousand, four hundred forty-seven".