33545250073 has 2 divisors, whose sum is σ = 33545250074. Its totient is φ = 33545250072.

The previous prime is 33545250049. The next prime is 33545250083. The reversal of 33545250073 is 37005254533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29183572224 + 4361677849 = 170832^2 + 66043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33545250073 is a prime.

It is a super-2 number, since 2×33545250073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33545250083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16772625036 + 16772625037.

It is an arithmetic number, because the mean of its divisors is an integer number (16772625037).

Almost surely, 2^33545250073 is an apocalyptic number.

It is an amenable number.

33545250073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33545250073 is an equidigital number, since it uses as much as digits as its factorization.

33545250073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 37.

The spelling of 33545250073 in words is "thirty-three billion, five hundred forty-five million, two hundred fifty thousand, seventy-three".