6690000698 has 16 divisors (see below), whose sum is σ = 10147997736. Its totient is φ = 3307476480.

The previous prime is 6690000671. The next prime is 6690000721. The reversal of 6690000698 is 8960000966.

It can be written as a sum of positive squares in 4 ways, for example, as 71690089 + 6618310609 = 8467^2 + 81353^2 .

It is a super-2 number, since 2×6690000698² = 89512218678480974408, which contains 22 as substring.

It is an unprimeable number.

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, 59990 + ... + 130302.

Almost surely, 2^6690000698 is an apocalyptic number.

6690000698 is a deficient number, since it is larger than the sum of its proper divisors (3457997038).

6690000698 is a wasteful number, since it uses less digits than its factorization.

6690000698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70849.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 6690000698 is about 81792.4244536131. The cubic root of 6690000698 is about 1884.2653172879.

The spelling of 6690000698 in words is "six billion, six hundred ninety million, six hundred ninety-eight", and thus it is an aban number.