33500121349 has 2 divisors, whose sum is σ = 33500121350. Its totient is φ = 33500121348.

The previous prime is 33500121293. The next prime is 33500121359. The reversal of 33500121349 is 94312100533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33273408100 + 226713249 = 182410^2 + 15057^2 .

It is a cyclic number.

It is not a de Polignac number, because 33500121349 - 2⁹ = 33500120837 is a prime.

It is a super-2 number, since 2×33500121349² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33500121349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33500121359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16750060674 + 16750060675.

It is an arithmetic number, because the mean of its divisors is an integer number (16750060675).

Almost surely, 2^33500121349 is an apocalyptic number.

It is an amenable number.

33500121349 is a deficient number, since it is larger than the sum of its proper divisors (1).

33500121349 is an equidigital number, since it uses as much as digits as its factorization.

33500121349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 33500121349 in words is "thirty-three billion, five hundred million, one hundred twenty-one thousand, three hundred forty-nine".