33022311989 has 2 divisors, whose sum is σ = 33022311990. Its totient is φ = 33022311988.

The previous prime is 33022311947. The next prime is 33022312007. The reversal of 33022311989 is 98911322033.

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., 32460147889 + 562164100 = 180167^2 + 23710^2 .

It is a cyclic number.

It is not a de Polignac number, because 33022311989 - 2³² = 28727344693 is a prime.

It is a super-2 number, since 2×33022311989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33022311689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16511155994 + 16511155995.

It is an arithmetic number, because the mean of its divisors is an integer number (16511155995).

Almost surely, 2^33022311989 is an apocalyptic number.

It is an amenable number.

33022311989 is a deficient number, since it is larger than the sum of its proper divisors (1).

33022311989 is an equidigital number, since it uses as much as digits as its factorization.

33022311989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 33022311989 in words is "thirty-three billion, twenty-two million, three hundred eleven thousand, nine hundred eighty-nine".