42646780033 has 8 divisors (see below), whose sum is σ = 50102510976. Its totient is φ = 35787507600.

The previous prime is 42646779997. The next prime is 42646780039. The reversal of 42646780033 is 33008764624.

It is a happy number.

42646780033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42646780033 - 2⁹ = 42646779521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42646780039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149114473 + ... + 149114758.

It is an arithmetic number, because the mean of its divisors is an integer number (6262813872).

Almost surely, 2^42646780033 is an apocalyptic number.

It is an amenable number.

42646780033 is a deficient number, since it is larger than the sum of its proper divisors (7455730943).

42646780033 is a wasteful number, since it uses less digits than its factorization.

42646780033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298229255.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 42646780033 in words is "forty-two billion, six hundred forty-six million, seven hundred eighty thousand, thirty-three".