42665736050433 has 12 divisors (see below), whose sum is σ = 63616294613248. Its totient is φ = 27526281322680.

The previous prime is 42665736050419. The next prime is 42665736050437. The reversal of 42665736050433 is 33405063756624.

42665736050433 is a `hidden beast` number, since 4 + 2 + 6 + 6 + 5 + 73 + 60 + 504 + 3 + 3 = 666.

It is not a de Polignac number, because 42665736050433 - 2⁴ = 42665736050417 is a prime.

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 42665736050433.

It is not an unprimeable number, because it can be changed into a prime (42665736050437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76461892285 + ... + 76461892842.

Almost surely, 2^{42665736050433} is an apocalyptic number.

It is an amenable number.

42665736050433 is a deficient number, since it is larger than the sum of its proper divisors (20950558562815).

42665736050433 is a wasteful number, since it uses less digits than its factorization.

42665736050433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152923785164 (or 152923785161 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 54.

The spelling of 42665736050433 in words is "forty-two trillion, six hundred sixty-five billion, seven hundred thirty-six million, fifty thousand, four hundred thirty-three".