6401133433 has 8 divisors (see below), whose sum is σ = 6510952800. Its totient is φ = 6291358368.

The previous prime is 6401133379. The next prime is 6401133443. The reversal of 6401133433 is 3343311046.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6401133433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401133443) 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 7 ways as a sum of consecutive naturals, for example, 427410 + ... + 442132.

It is an arithmetic number, because the mean of its divisors is an integer number (813869100).

Almost surely, 2^6401133433 is an apocalyptic number.

It is an amenable number.

6401133433 is a deficient number, since it is larger than the sum of its proper divisors (109819367).

6401133433 is a wasteful number, since it uses less digits than its factorization.

6401133433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22151.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 6401133433 is about 80007.0836426375. The cubic root of 6401133433 is about 1856.7451296830.

Adding to 6401133433 its reverse (3343311046), we get a palindrome (9744444479).

The spelling of 6401133433 in words is "six billion, four hundred one million, one hundred thirty-three thousand, four hundred thirty-three".