7989601393 has 16 divisors (see below), whose sum is σ = 8218552320. Its totient is φ = 7763328000.

The previous prime is 7989601339. The next prime is 7989601421. The reversal of 7989601393 is 3931069897.

It is a cyclic number.

It is not a de Polignac number, because 7989601393 - 2¹³ = 7989593201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7989601693) 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, 4541248 + ... + 4543006.

It is an arithmetic number, because the mean of its divisors is an integer number (513659520).

Almost surely, 2^7989601393 is an apocalyptic number.

It is an amenable number.

7989601393 is a deficient number, since it is larger than the sum of its proper divisors (228950927).

7989601393 is a wasteful number, since it uses less digits than its factorization.

7989601393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 7989601393 is about 89384.5702176835. The cubic root of 7989601393 is about 1999.1330736903.

The spelling of 7989601393 in words is "seven billion, nine hundred eighty-nine million, six hundred one thousand, three hundred ninety-three".