33489116761 has 2 divisors, whose sum is σ = 33489116762. Its totient is φ = 33489116760.

The previous prime is 33489116677. The next prime is 33489116789. The reversal of 33489116761 is 16761198433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29097536400 + 4391580361 = 170580^2 + 66269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33489116761 is a prime.

It is a super-2 number, since 2×33489116761² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33489113761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16744558380 + 16744558381.

It is an arithmetic number, because the mean of its divisors is an integer number (16744558381).

Almost surely, 2^33489116761 is an apocalyptic number.

It is an amenable number.

33489116761 is a deficient number, since it is larger than the sum of its proper divisors (1).

33489116761 is an equidigital number, since it uses as much as digits as its factorization.

33489116761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 33489116761 in words is "thirty-three billion, four hundred eighty-nine million, one hundred sixteen thousand, seven hundred sixty-one".