33827475989 has 2 divisors, whose sum is σ = 33827475990. Its totient is φ = 33827475988.

The previous prime is 33827475973. The next prime is 33827476003. The reversal of 33827475989 is 98957472833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19765548100 + 14061927889 = 140590^2 + 118583^2 .

It is a cyclic number.

It is not a de Polignac number, because 33827475989 - 2⁴ = 33827475973 is a prime.

It is a super-2 number, since 2×33827475989² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33827475919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16913737994 + 16913737995.

It is an arithmetic number, because the mean of its divisors is an integer number (16913737995).

Almost surely, 2^33827475989 is an apocalyptic number.

It is an amenable number.

33827475989 is a deficient number, since it is larger than the sum of its proper divisors (1).

33827475989 is an equidigital number, since it uses as much as digits as its factorization.

33827475989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 65.

The spelling of 33827475989 in words is "thirty-three billion, eight hundred twenty-seven million, four hundred seventy-five thousand, nine hundred eighty-nine".