6397092539 has 4 divisors (see below), whose sum is σ = 6733781640. Its totient is φ = 6060403440.

The previous prime is 6397092529. The next prime is 6397092551. The reversal of 6397092539 is 9352907936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6397092539 - 2¹² = 6397088443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6397092529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168344522 + ... + 168344559.

It is an arithmetic number, because the mean of its divisors is an integer number (1683445410).

Almost surely, 2^6397092539 is an apocalyptic number.

6397092539 is a deficient number, since it is larger than the sum of its proper divisors (336689101).

6397092539 is a wasteful number, since it uses less digits than its factorization.

6397092539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336689100.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The square root of 6397092539 is about 79981.8263044799. The cubic root of 6397092539 is about 1856.3543400573.

The spelling of 6397092539 in words is "six billion, three hundred ninety-seven million, ninety-two thousand, five hundred thirty-nine".