6994329553 has 2 divisors, whose sum is σ = 6994329554. Its totient is φ = 6994329552.

The previous prime is 6994329539. The next prime is 6994329577. The reversal of 6994329553 is 3559234996.

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., 6213853584 + 780475969 = 78828^2 + 27937^2 .

It is a cyclic number.

It is not a de Polignac number, because 6994329553 - 2¹⁷ = 6994198481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6994329494 and 6994329503.

It is not a weakly prime, because it can be changed into another prime (6994329053) by changing a digit.

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 as a sum of consecutive naturals, namely, 3497164776 + 3497164777.

It is an arithmetic number, because the mean of its divisors is an integer number (3497164777).

Almost surely, 2^6994329553 is an apocalyptic number.

It is an amenable number.

6994329553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6994329553 is an equidigital number, since it uses as much as digits as its factorization.

6994329553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7873200, while the sum is 55.

The square root of 6994329553 is about 83632.1083854760. The cubic root of 6994329553 is about 1912.4145110975.

The spelling of 6994329553 in words is "six billion, nine hundred ninety-four million, three hundred twenty-nine thousand, five hundred fifty-three".