7989349069 has 8 divisors (see below), whose sum is σ = 8977997952. Its totient is φ = 7054140720.

The previous prime is 7989349051. The next prime is 7989349133. The reversal of 7989349069 is 9609439897.

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 7989349069 - 2⁵ = 7989349037 is a prime.

It is a super-2 number, since 2×7989349069² (a number of 21 digits) contains 22 as substring.

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 7989349069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989349169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13359817 + ... + 13360414.

It is an arithmetic number, because the mean of its divisors is an integer number (1122249744).

Almost surely, 2^7989349069 is an apocalyptic number.

It is an amenable number.

7989349069 is a deficient number, since it is larger than the sum of its proper divisors (988648883).

7989349069 is a wasteful number, since it uses less digits than its factorization.

7989349069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26720267.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The square root of 7989349069 is about 89383.1587548795. The cubic root of 7989349069 is about 1999.1120282281.

The spelling of 7989349069 in words is "seven billion, nine hundred eighty-nine million, three hundred forty-nine thousand, sixty-nine".