33389563490 has 32 divisors (see below), whose sum is σ = 63959672304. Its totient is φ = 12506368000.

The previous prime is 33389563489. The next prime is 33389563517. The reversal of 33389563490 is 9436598333.

It can be written as a sum of positive squares in 8 ways, for example, as 28781461801 + 4608101689 = 169651^2 + 67883^2 .

It is a super-2 number, since 2×33389563490² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465011 + ... + 531990.

Almost surely, 2^33389563490 is an apocalyptic number.

33389563490 is a deficient number, since it is larger than the sum of its proper divisors (30570108814).

33389563490 is a wasteful number, since it uses less digits than its factorization.

33389563490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997222.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 33389563490 in words is "thirty-three billion, three hundred eighty-nine million, five hundred sixty-three thousand, four hundred ninety".