433433145509 has 16 divisors (see below), whose sum is σ = 533684511360. Its totient is φ = 342789330240.

The previous prime is 433433145503. The next prime is 433433145517. The reversal of 433433145509 is 905541334334.

It is a de Polignac number, because none of the positive numbers 2^k-433433145509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 433433145509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433433145503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805322 + ... + 1231019.

It is an arithmetic number, because the mean of its divisors is an integer number (33355281960).

Almost surely, 2^433433145509 is an apocalyptic number.

It is an amenable number.

433433145509 is a deficient number, since it is larger than the sum of its proper divisors (100251365851).

433433145509 is a wasteful number, since it uses less digits than its factorization.

433433145509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038700.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 433433145509 in words is "four hundred thirty-three billion, four hundred thirty-three million, one hundred forty-five thousand, five hundred nine".