8034309391 has 16 divisors (see below), whose sum is σ = 8649446400. Its totient is φ = 7438864608.

The previous prime is 8034309341. The next prime is 8034309407. The reversal of 8034309391 is 1939034308.

It is a cyclic number.

It is not a de Polignac number, because 8034309391 - 2⁹ = 8034308879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8034309341) 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, 657445 + ... + 669553.

It is an arithmetic number, because the mean of its divisors is an integer number (540590400).

Almost surely, 2^8034309391 is an apocalyptic number.

8034309391 is a deficient number, since it is larger than the sum of its proper divisors (615137009).

8034309391 is a wasteful number, since it uses less digits than its factorization.

8034309391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 8034309391 is about 89634.3092292232. The cubic root of 8034309391 is about 2002.8550383553.

The spelling of 8034309391 in words is "eight billion, thirty-four million, three hundred nine thousand, three hundred ninety-one".