6690000697 has 8 divisors (see below), whose sum is σ = 6755804352. Its totient is φ = 6624258000.

The previous prime is 6690000671. The next prime is 6690000721. The reversal of 6690000697 is 7960000966.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6690000697 is a prime.

It is a super-2 number, since 2×6690000697² = 89512218651720971618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6690000637) 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 7 ways as a sum of consecutive naturals, for example, 223572 + ... + 251722.

It is an arithmetic number, because the mean of its divisors is an integer number (844475544).

Almost surely, 2^6690000697 is an apocalyptic number.

It is an amenable number.

6690000697 is a deficient number, since it is larger than the sum of its proper divisors (65803655).

6690000697 is a wasteful number, since it uses less digits than its factorization.

6690000697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30479.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 6690000697 is about 81792.4244475000. The cubic root of 6690000697 is about 1884.2653171940.

The spelling of 6690000697 in words is "six billion, six hundred ninety million, six hundred ninety-seven", and thus it is an aban number.