694368133 has 2 divisors, whose sum is σ = 694368134. Its totient is φ = 694368132.

The previous prime is 694368127. The next prime is 694368149. The reversal of 694368133 is 331863496.

694368133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536061409 + 158306724 = 23153^2 + 12582^2 .

It is a cyclic number.

It is not a de Polignac number, because 694368133 - 2⁹ = 694367621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 694368133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694368733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347184066 + 347184067.

It is an arithmetic number, because the mean of its divisors is an integer number (347184067).

Almost surely, 2^694368133 is an apocalyptic number.

It is an amenable number.

694368133 is a deficient number, since it is larger than the sum of its proper divisors (1).

694368133 is an equidigital number, since it uses as much as digits as its factorization.

694368133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 694368133 is about 26350.8658871013. The cubic root of 694368133 is about 885.5163692598.

It can be divided in two parts, 6943 and 68133, that added together give a square (75076 = 274²).

The spelling of 694368133 in words is "six hundred ninety-four million, three hundred sixty-eight thousand, one hundred thirty-three".