6992063391 has 16 divisors (see below), whose sum is σ = 9485539200. Its totient is φ = 4580061408.

The previous prime is 6992063369. The next prime is 6992063401. The reversal of 6992063391 is 1933602996.

It is a happy number.

It is not a de Polignac number, because 6992063391 - 2¹⁰ = 6992062367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6992063391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6992063321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387120 + ... + 404778.

It is an arithmetic number, because the mean of its divisors is an integer number (592846200).

Almost surely, 2^6992063391 is an apocalyptic number.

6992063391 is a deficient number, since it is larger than the sum of its proper divisors (2493475809).

6992063391 is a wasteful number, since it uses less digits than its factorization.

6992063391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19958.

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 6992063391 is about 83618.5588909543. The cubic root of 6992063391 is about 1912.2079480905.

The spelling of 6992063391 in words is "six billion, nine hundred ninety-two million, sixty-three thousand, three hundred ninety-one".