6689292349 has 4 divisors (see below), whose sum is σ = 6690644064. Its totient is φ = 6687940636.

The previous prime is 6689292347. The next prime is 6689292359. The reversal of 6689292349 is 9432929866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6689292349 - 2¹ = 6689292347 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6689292293 and 6689292302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689292341) 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, 668407 + ... + 678340.

It is an arithmetic number, because the mean of its divisors is an integer number (1672661016).

Almost surely, 2^6689292349 is an apocalyptic number.

It is an amenable number.

6689292349 is a deficient number, since it is larger than the sum of its proper divisors (1351715).

6689292349 is a wasteful number, since it uses less digits than its factorization.

6689292349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351714.

The product of its digits is 10077696, while the sum is 58.

The square root of 6689292349 is about 81788.0941763531. The cubic root of 6689292349 is about 1884.1988118358.

The spelling of 6689292349 in words is "six billion, six hundred eighty-nine million, two hundred ninety-two thousand, three hundred forty-nine".