6990550829 has 2 divisors, whose sum is σ = 6990550830. Its totient is φ = 6990550828.

The previous prime is 6990550823. The next prime is 6990550907. The reversal of 6990550829 is 9280550996.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6893980900 + 96569929 = 83030^2 + 9827^2 .

It is a cyclic number.

It is not a de Polignac number, because 6990550829 - 2¹² = 6990546733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6990550823) 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 as a sum of consecutive naturals, namely, 3495275414 + 3495275415.

It is an arithmetic number, because the mean of its divisors is an integer number (3495275415).

Almost surely, 2^6990550829 is an apocalyptic number.

It is an amenable number.

6990550829 is a deficient number, since it is larger than the sum of its proper divisors (1).

6990550829 is an equidigital number, since it uses as much as digits as its factorization.

6990550829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The square root of 6990550829 is about 83609.5139861487. The cubic root of 6990550829 is about 1912.0700516641.

The spelling of 6990550829 in words is "six billion, nine hundred ninety million, five hundred fifty thousand, eight hundred twenty-nine".