33769685813 has 2 divisors, whose sum is σ = 33769685814. Its totient is φ = 33769685812.

The previous prime is 33769685797. The next prime is 33769685837. The reversal of 33769685813 is 31858696733.

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., 18828779524 + 14940906289 = 137218^2 + 122233^2 .

It is an emirp because it is prime and its reverse (31858696733) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33769685813 - 2⁴ = 33769685797 is a prime.

It is a super-2 number, since 2×33769685813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33769685843) 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, 16884842906 + 16884842907.

It is an arithmetic number, because the mean of its divisors is an integer number (16884842907).

Almost surely, 2^33769685813 is an apocalyptic number.

It is an amenable number.

33769685813 is a deficient number, since it is larger than the sum of its proper divisors (1).

33769685813 is an equidigital number, since it uses as much as digits as its factorization.

33769685813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 59.

The spelling of 33769685813 in words is "thirty-three billion, seven hundred sixty-nine million, six hundred eighty-five thousand, eight hundred thirteen".