33384953389 has 2 divisors, whose sum is σ = 33384953390. Its totient is φ = 33384953388.

The previous prime is 33384953359. The next prime is 33384953507. The reversal of 33384953389 is 98335948333.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32957497764 + 427455625 = 181542^2 + 20675^2 .

It is a cyclic number.

It is not a de Polignac number, because 33384953389 - 2¹⁹ = 33384429101 is a prime.

It is a super-2 number, since 2×33384953389² (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 (33384953359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16692476694 + 16692476695.

It is an arithmetic number, because the mean of its divisors is an integer number (16692476695).

Almost surely, 2^33384953389 is an apocalyptic number.

It is an amenable number.

33384953389 is a deficient number, since it is larger than the sum of its proper divisors (1).

33384953389 is an equidigital number, since it uses as much as digits as its factorization.

33384953389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 58.

The spelling of 33384953389 in words is "thirty-three billion, three hundred eighty-four million, nine hundred fifty-three thousand, three hundred eighty-nine".