33466471993 has 2 divisors, whose sum is σ = 33466471994. Its totient is φ = 33466471992.

The previous prime is 33466471963. The next prime is 33466472047. The reversal of 33466471993 is 39917466433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31155074064 + 2311397929 = 176508^2 + 48077^2 .

It is a cyclic number.

It is not a de Polignac number, because 33466471993 - 2²⁵ = 33432917561 is a prime.

It is a super-2 number, since 2×33466471993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33466471943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16733235996 + 16733235997.

It is an arithmetic number, because the mean of its divisors is an integer number (16733235997).

Almost surely, 2^33466471993 is an apocalyptic number.

It is an amenable number.

33466471993 is a deficient number, since it is larger than the sum of its proper divisors (1).

33466471993 is an equidigital number, since it uses as much as digits as its factorization.

33466471993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 55.

The spelling of 33466471993 in words is "thirty-three billion, four hundred sixty-six million, four hundred seventy-one thousand, nine hundred ninety-three".