33700720198361 has 2 divisors, whose sum is σ = 33700720198362. Its totient is φ = 33700720198360.

The previous prime is 33700720198237. The next prime is 33700720198363. The reversal of 33700720198361 is 16389102700733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18614642751961 + 15086077446400 = 4314469^2 + 3884080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33700720198361 is a prime.

It is a super-2 number, since 2×33700720198361² (a number of 28 digits) contains 22 as substring.

Together with 33700720198363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33700720198363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16850360099180 + 16850360099181.

It is an arithmetic number, because the mean of its divisors is an integer number (16850360099181).

Almost surely, 2^{33700720198361} is an apocalyptic number.

It is an amenable number.

33700720198361 is a deficient number, since it is larger than the sum of its proper divisors (1).

33700720198361 is an equidigital number, since it uses as much as digits as its factorization.

33700720198361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 33700720198361 in words is "thirty-three trillion, seven hundred billion, seven hundred twenty million, one hundred ninety-eight thousand, three hundred sixty-one".