69990133 has 2 divisors, whose sum is σ = 69990134. Its totient is φ = 69990132.

The previous prime is 69990131. The next prime is 69990181. The reversal of 69990133 is 33109996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69255684 + 734449 = 8322^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 69990133 - 2¹ = 69990131 is a prime.

Together with 69990131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69990131) 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, 34995066 + 34995067.

It is an arithmetic number, because the mean of its divisors is an integer number (34995067).

Almost surely, 2^69990133 is an apocalyptic number.

It is an amenable number.

69990133 is a deficient number, since it is larger than the sum of its proper divisors (1).

69990133 is an equidigital number, since it uses as much as digits as its factorization.

69990133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 69990133 is about 8366.0105785255. The cubic root of 69990133 is about 412.1091649176.

The spelling of 69990133 in words is "sixty-nine million, nine hundred ninety thousand, one hundred thirty-three".