33401322101989 has 2 divisors, whose sum is σ = 33401322101990. Its totient is φ = 33401322101988.

The previous prime is 33401322101909. The next prime is 33401322101999. The reversal of 33401322101989 is 98910122310433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31270933729764 + 2130388372225 = 5592042^2 + 1459585^2 .

It is a cyclic number.

It is not a de Polignac number, because 33401322101989 - 2³³ = 33392732167397 is a prime.

It is a super-2 number, since 2×33401322101989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33401322101909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700661050994 + 16700661050995.

It is an arithmetic number, because the mean of its divisors is an integer number (16700661050995).

Almost surely, 2^{33401322101989} is an apocalyptic number.

It is an amenable number.

33401322101989 is a deficient number, since it is larger than the sum of its proper divisors (1).

33401322101989 is an equidigital number, since it uses as much as digits as its factorization.

33401322101989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 33401322101989 in words is "thirty-three trillion, four hundred one billion, three hundred twenty-two million, one hundred one thousand, nine hundred eighty-nine".