33430146505 has 32 divisors (see below), whose sum is σ = 48529843200. Its totient is φ = 21595626432.

The previous prime is 33430146499. The next prime is 33430146509. The reversal of 33430146505 is 50564103433.

It is a cyclic number.

It is not a de Polignac number, because 33430146505 - 2⁷ = 33430146377 is a prime.

It is a super-2 number, since 2×33430146505² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33430146509) 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 in 31 ways as a sum of consecutive naturals, for example, 21387 + ... + 259456.

It is an arithmetic number, because the mean of its divisors is an integer number (1516557600).

Almost surely, 2^33430146505 is an apocalyptic number.

33430146505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33430146505 is a deficient number, since it is larger than the sum of its proper divisors (15099696695).

33430146505 is a wasteful number, since it uses less digits than its factorization.

33430146505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281053.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 33430146505 its reverse (50564103433), we get a palindrome (83994249938).

The spelling of 33430146505 in words is "thirty-three billion, four hundred thirty million, one hundred forty-six thousand, five hundred five".