6299120690 has 16 divisors (see below), whose sum is σ = 11614964760. Its totient is φ = 2458193280.

The previous prime is 6299120677. The next prime is 6299120701. The reversal of 6299120690 is 960219926.

It is a Cunningham number, because it is equal to 79367²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3647797609 + 2651323081 = 60397^2 + 51491^2 .

It is a super-2 number, since 2×6299120690² = 79357842934372152200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7681445 + ... + 7682264.

Almost surely, 2^6299120690 is an apocalyptic number.

6299120690 is a deficient number, since it is larger than the sum of its proper divisors (5315844070).

6299120690 is a wasteful number, since it uses less digits than its factorization.

6299120690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363757.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 6299120690 is about 79367.0000062998. Note that the first 5 decimals coincide. The cubic root of 6299120690 is about 1846.8288199626.

The spelling of 6299120690 in words is "six billion, two hundred ninety-nine million, one hundred twenty thousand, six hundred ninety".