33768946109 has 2 divisors, whose sum is σ = 33768946110. Its totient is φ = 33768946108.

The previous prime is 33768946097. The next prime is 33768946117. The reversal of 33768946109 is 90164986733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28030126084 + 5738820025 = 167422^2 + 75755^2 .

It is a cyclic number.

It is not a de Polignac number, because 33768946109 - 2²⁸ = 33500510653 is a prime.

It is a super-2 number, since 2×33768946109² (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 (33768906109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16884473054 + 16884473055.

It is an arithmetic number, because the mean of its divisors is an integer number (16884473055).

Almost surely, 2^33768946109 is an apocalyptic number.

It is an amenable number.

33768946109 is a deficient number, since it is larger than the sum of its proper divisors (1).

33768946109 is an equidigital number, since it uses as much as digits as its factorization.

33768946109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 33768946109 in words is "thirty-three billion, seven hundred sixty-eight million, nine hundred forty-six thousand, one hundred nine".