33500222953 has 2 divisors, whose sum is σ = 33500222954. Its totient is φ = 33500222952.

The previous prime is 33500222923. The next prime is 33500222981. The reversal of 33500222953 is 35922200533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33499248784 + 974169 = 183028^2 + 987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33500222953 is a prime.

It is a super-2 number, since 2×33500222953² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33500222923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16750111476 + 16750111477.

It is an arithmetic number, because the mean of its divisors is an integer number (16750111477).

Almost surely, 2^33500222953 is an apocalyptic number.

It is an amenable number.

33500222953 is a deficient number, since it is larger than the sum of its proper divisors (1).

33500222953 is an equidigital number, since it uses as much as digits as its factorization.

33500222953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 34.

The spelling of 33500222953 in words is "thirty-three billion, five hundred million, two hundred twenty-two thousand, nine hundred fifty-three".