9999993999997 has 8 divisors (see below), whose sum is σ = 10149370163712. Its totient is φ = 9850621440000.

The previous prime is 9999993999973. The next prime is 9999994000001. The reversal of 9999993999997 is 7999993999999.

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 9999993999997 - 2²³ = 9999985611389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9999993999893 and 9999993999902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999993999967) 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, 4974372 + ... + 6689122.

It is an arithmetic number, because the mean of its divisors is an integer number (1268671270464).

Almost surely, 2^{9999993999997} is an apocalyptic number.

It is an amenable number.

9999993999997 is a deficient number, since it is larger than the sum of its proper divisors (149376163715).

9999993999997 is a wasteful number, since it uses less digits than its factorization.

9999993999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801859.

The product of its digits is 659002251789, while the sum is 109.

The spelling of 9999993999997 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-three million, nine hundred ninety-nine thousand, nine hundred ninety-seven".