33889324061 has 2 divisors, whose sum is σ = 33889324062. Its totient is φ = 33889324060.

The previous prime is 33889324043. The next prime is 33889324087. The reversal of 33889324061 is 16042398833.

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., 27268247161 + 6621076900 = 165131^2 + 81370^2 .

It is a cyclic number.

It is not a de Polignac number, because 33889324061 - 2¹⁰ = 33889323037 is a prime.

It is a super-2 number, since 2×33889324061² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33889323997 and 33889324015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33889354061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16944662030 + 16944662031.

It is an arithmetic number, because the mean of its divisors is an integer number (16944662031).

Almost surely, 2^33889324061 is an apocalyptic number.

It is an amenable number.

33889324061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33889324061 is an equidigital number, since it uses as much as digits as its factorization.

33889324061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 33889324061 in words is "thirty-three billion, eight hundred eighty-nine million, three hundred twenty-four thousand, sixty-one".