6763689397 has 4 divisors (see below), whose sum is σ = 6780726796. Its totient is φ = 6746652000.

The previous prime is 6763689391. The next prime is 6763689403. The reversal of 6763689397 is 7939863676.

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

It is an interprime number because it is at equal distance from previous prime (6763689391) and next prime (6763689403).

It can be written as a sum of positive squares in 2 ways, for example, as 1704781521 + 5058907876 = 41289^2 + 71126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6763689397 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 (6763689391) 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, 8518104 + ... + 8518897.

It is an arithmetic number, because the mean of its divisors is an integer number (1695181699).

Almost surely, 2^6763689397 is an apocalyptic number.

It is an amenable number.

6763689397 is a deficient number, since it is larger than the sum of its proper divisors (17037399).

6763689397 is a wasteful number, since it uses less digits than its factorization.

6763689397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17037398.

The product of its digits is 61725888, while the sum is 64.

The square root of 6763689397 is about 82241.6524457042. The cubic root of 6763689397 is about 1891.1583091291.

The spelling of 6763689397 in words is "six billion, seven hundred sixty-three million, six hundred eighty-nine thousand, three hundred ninety-seven".