9749742179424 has 96 divisors (see below), whose sum is σ = 28760109122304. Its totient is φ = 2869489328640.

The previous prime is 9749742179369. The next prime is 9749742179483. The reversal of 9749742179424 is 4249712479479.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169803762 + ... + 169861169.

It is an arithmetic number, because the mean of its divisors is an integer number (299584470024).

Almost surely, 2^{9749742179424} is an apocalyptic number.

It is an amenable number.

9749742179424 is an abundant number, since it is smaller than the sum of its proper divisors (19010366942880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9749742179424 is a wasteful number, since it uses less digits than its factorization.

9749742179424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339664980 (or 339664972 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 69.

The spelling of 9749742179424 in words is "nine trillion, seven hundred forty-nine billion, seven hundred forty-two million, one hundred seventy-nine thousand, four hundred twenty-four".