9494392717972 has 24 divisors (see below), whose sum is σ = 16622020800000. Its totient is φ = 4745244338016.

The previous prime is 9494392717961. The next prime is 9494392718011. The reversal of 9494392717972 is 2797172934949.

It is a junction number, because it is equal to n+sod(n) for n = 9494392717895 and 9494392717904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99894529 + ... + 99989527.

It is an arithmetic number, because the mean of its divisors is an integer number (692584200000).

Almost surely, 2^{9494392717972} is an apocalyptic number.

It is an amenable number.

9494392717972 is a deficient number, since it is larger than the sum of its proper divisors (7127628082028).

9494392717972 is a wasteful number, since it uses less digits than its factorization.

9494392717972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105015 (or 105013 counting only the distinct ones).

The product of its digits is 432081216, while the sum is 73.

The spelling of 9494392717972 in words is "nine trillion, four hundred ninety-four billion, three hundred ninety-two million, seven hundred seventeen thousand, nine hundred seventy-two".