33424243189 has 2 divisors, whose sum is σ = 33424243190. Its totient is φ = 33424243188.

The previous prime is 33424243147. The next prime is 33424243207. The reversal of 33424243189 is 98134242433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19584603025 + 13839640164 = 139945^2 + 117642^2 .

It is a cyclic number.

It is not a de Polignac number, because 33424243189 - 2²⁵ = 33390688757 is a prime.

It is a super-2 number, since 2×33424243189² (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 (33424243109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16712121594 + 16712121595.

It is an arithmetic number, because the mean of its divisors is an integer number (16712121595).

Almost surely, 2^33424243189 is an apocalyptic number.

It is an amenable number.

33424243189 is a deficient number, since it is larger than the sum of its proper divisors (1).

33424243189 is an equidigital number, since it uses as much as digits as its factorization.

33424243189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 43.

The spelling of 33424243189 in words is "thirty-three billion, four hundred twenty-four million, two hundred forty-three thousand, one hundred eighty-nine".