9980447018651 has 8 divisors (see below), whose sum is σ = 10038910946304. Its totient is φ = 9922142177640.

The previous prime is 9980447018627. The next prime is 9980447018683. The reversal of 9980447018651 is 1568107440899.

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 9980447018651 - 2¹⁸ = 9980446756507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9980447011651) 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, 39645821 + ... + 39896766.

It is an arithmetic number, because the mean of its divisors is an integer number (1254863868288).

Almost surely, 2^{9980447018651} is an apocalyptic number.

9980447018651 is a deficient number, since it is larger than the sum of its proper divisors (58463927653).

9980447018651 is a wasteful number, since it uses less digits than its factorization.

9980447018651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79543321.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 9980447018651 in words is "nine trillion, nine hundred eighty billion, four hundred forty-seven million, eighteen thousand, six hundred fifty-one".