33426949 has 2 divisors, whose sum is σ = 33426950. Its totient is φ = 33426948.

The previous prime is 33426929. The next prime is 33426961. The reversal of 33426949 is 94962433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29778849 + 3648100 = 5457^2 + 1910^2 .

It is an emirp because it is prime and its reverse (94962433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33426949 - 2²¹ = 31329797 is a prime.

It is a super-2 number, since 2×33426949² = 2234721838897202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33426929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16713474 + 16713475.

It is an arithmetic number, because the mean of its divisors is an integer number (16713475).

Almost surely, 2^33426949 is an apocalyptic number.

It is an amenable number.

33426949 is a deficient number, since it is larger than the sum of its proper divisors (1).

33426949 is an equidigital number, since it uses as much as digits as its factorization.

33426949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 33426949 is about 5781.6043621126. The cubic root of 33426949 is about 322.1307963676.

The spelling of 33426949 in words is "thirty-three million, four hundred twenty-six thousand, nine hundred forty-nine".