6992389286939 has 4 divisors (see below), whose sum is σ = 7991302042224. Its totient is φ = 5993476531656.

The previous prime is 6992389286873. The next prime is 6992389286969. The reversal of 6992389286939 is 9396829832996.

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 6992389286939 - 2³² = 6988094319643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6992389286969) 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 3 ways as a sum of consecutive naturals, for example, 499456377632 + ... + 499456377645.

It is an arithmetic number, because the mean of its divisors is an integer number (1997825510556).

Almost surely, 2^{6992389286939} is an apocalyptic number.

6992389286939 is a deficient number, since it is larger than the sum of its proper divisors (998912755285).

6992389286939 is an equidigital number, since it uses as much as digits as its factorization.

6992389286939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998912755284.

The product of its digits is 4897760256, while the sum is 83.

The spelling of 6992389286939 in words is "six trillion, nine hundred ninety-two billion, three hundred eighty-nine million, two hundred eighty-six thousand, nine hundred thirty-nine".