8389013391 has 12 divisors (see below), whose sum is σ = 13219051560. Its totient is φ = 5084250480.

The previous prime is 8389013389. The next prime is 8389013393. The reversal of 8389013391 is 1933109838.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8389013389) and next prime (8389013393).

It is not a de Polignac number, because 8389013391 - 2¹ = 8389013389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8389013393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42368656 + ... + 42368853.

It is an arithmetic number, because the mean of its divisors is an integer number (1101587630).

Almost surely, 2^8389013391 is an apocalyptic number.

8389013391 is a deficient number, since it is larger than the sum of its proper divisors (4830038169).

8389013391 is a wasteful number, since it uses less digits than its factorization.

8389013391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84737526 (or 84737523 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 8389013391 is about 91591.5574220681. The cubic root of 8389013391 is about 2031.9060770152.

The spelling of 8389013391 in words is "eight billion, three hundred eighty-nine million, thirteen thousand, three hundred ninety-one".