33420431433 has 8 divisors (see below), whose sum is σ = 44580017728. Its totient is φ = 22270566384.

The previous prime is 33420431389. The next prime is 33420431449. The reversal of 33420431433 is 33413402433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33420431433 - 2²⁸ = 33151995977 is a prime.

It is a super-2 number, since 2×33420431433² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33420431433.

It is not an unprimeable number, because it can be changed into a prime (33420431453) 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 in 7 ways as a sum of consecutive naturals, for example, 2422285 + ... + 2436042.

It is an arithmetic number, because the mean of its divisors is an integer number (5572502216).

Almost surely, 2^33420431433 is an apocalyptic number.

It is an amenable number.

33420431433 is a deficient number, since it is larger than the sum of its proper divisors (11159586295).

33420431433 is a wasteful number, since it uses less digits than its factorization.

33420431433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860623.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 33420431433 its reverse (33413402433), we get a palindrome (66833833866).

The spelling of 33420431433 in words is "thirty-three billion, four hundred twenty million, four hundred thirty-one thousand, four hundred thirty-three".