9742649527321 has 8 divisors (see below), whose sum is σ = 9770111835840. Its totient is φ = 9715189019568.

The previous prime is 9742649527301. The next prime is 9742649527337. The reversal of 9742649527321 is 1237259462479.

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 9742649527321 - 2³³ = 9734059592729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9742649527321.

It is not an unprimeable number, because it can be changed into a prime (9742649527301) 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, 10779690 + ... + 11648476.

It is an arithmetic number, because the mean of its divisors is an integer number (1221263979480).

Almost surely, 2^{9742649527321} is an apocalyptic number.

It is an amenable number.

9742649527321 is a deficient number, since it is larger than the sum of its proper divisors (27462308519).

9742649527321 is a wasteful number, since it uses less digits than its factorization.

9742649527321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900383.

The product of its digits is 45722880, while the sum is 61.

The spelling of 9742649527321 in words is "nine trillion, seven hundred forty-two billion, six hundred forty-nine million, five hundred twenty-seven thousand, three hundred twenty-one".