33239672449 has 2 divisors, whose sum is σ = 33239672450. Its totient is φ = 33239672448.

The previous prime is 33239672447. The next prime is 33239672483. The reversal of 33239672449 is 94427693233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32746521600 + 493150849 = 180960^2 + 22207^2 .

It is a cyclic number.

It is not a de Polignac number, because 33239672449 - 2¹ = 33239672447 is a prime.

It is a super-2 number, since 2×33239672449² (a number of 22 digits) contains 22 as substring.

Together with 33239672447, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 33239672396 and 33239672405.

It is not a weakly prime, because it can be changed into another prime (33239672447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16619836224 + 16619836225.

It is an arithmetic number, because the mean of its divisors is an integer number (16619836225).

Almost surely, 2^33239672449 is an apocalyptic number.

It is an amenable number.

33239672449 is a deficient number, since it is larger than the sum of its proper divisors (1).

33239672449 is an equidigital number, since it uses as much as digits as its factorization.

33239672449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 52.

The spelling of 33239672449 in words is "thirty-three billion, two hundred thirty-nine million, six hundred seventy-two thousand, four hundred forty-nine".