33865552073 has 2 divisors, whose sum is σ = 33865552074. Its totient is φ = 33865552072.

The previous prime is 33865552051. The next prime is 33865552087. The reversal of 33865552073 is 37025556833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32673093049 + 1192459024 = 180757^2 + 34532^2 .

It is a cyclic number.

It is not a de Polignac number, because 33865552073 - 2⁸ = 33865551817 is a prime.

It is a super-2 number, since 2×33865552073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33865552033) 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, 16932776036 + 16932776037.

It is an arithmetic number, because the mean of its divisors is an integer number (16932776037).

Almost surely, 2^33865552073 is an apocalyptic number.

It is an amenable number.

33865552073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33865552073 is an equidigital number, since it uses as much as digits as its factorization.

33865552073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 33865552073 in words is "thirty-three billion, eight hundred sixty-five million, five hundred fifty-two thousand, seventy-three".