9343849374721 has 8 divisors (see below), whose sum is σ = 9921514456584. Its totient is φ = 8769298391040.

The previous prime is 9343849374689. The next prime is 9343849374773. The reversal of 9343849374721 is 1274739483439.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5316201764721 + 4027647610000 = 2305689^2 + 2006900^2 .

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 9343849374721 - 2⁵ = 9343849374689 is a prime.

It is a super-2 number, since 2×9343849374721² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9343849374221) 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, 778518360 + ... + 778530361.

It is an arithmetic number, because the mean of its divisors is an integer number (1240189307073).

Almost surely, 2^{9343849374721} is an apocalyptic number.

It is an amenable number.

9343849374721 is a deficient number, since it is larger than the sum of its proper divisors (577665081863).

9343849374721 is a wasteful number, since it uses less digits than its factorization.

9343849374721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557049091.

The product of its digits is 109734912, while the sum is 64.

The spelling of 9343849374721 in words is "nine trillion, three hundred forty-three billion, eight hundred forty-nine million, three hundred seventy-four thousand, seven hundred twenty-one".