9973491118747 has 16 divisors (see below), whose sum is σ = 10745935200000. Its totient is φ = 9201798504864.

The previous prime is 9973491118739. The next prime is 9973491118807. The reversal of 9973491118747 is 7478111943799.

It is a cyclic number.

It is not a de Polignac number, because 9973491118747 - 2³ = 9973491118739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9973491118727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270126754 + ... + 270163672.

It is an arithmetic number, because the mean of its divisors is an integer number (671620950000).

Almost surely, 2^{9973491118747} is an apocalyptic number.

9973491118747 is a deficient number, since it is larger than the sum of its proper divisors (772444081253).

9973491118747 is a wasteful number, since it uses less digits than its factorization.

9973491118747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46530.

The product of its digits is 96018048, while the sum is 70.

The spelling of 9973491118747 in words is "nine trillion, nine hundred seventy-three billion, four hundred ninety-one million, one hundred eighteen thousand, seven hundred forty-seven".