42681451833 has 12 divisors (see below), whose sum is σ = 61868837680. Its totient is φ = 28353754296.

The previous prime is 42681451823. The next prime is 42681451847. The reversal of 42681451833 is 33815418624.

42681451833 is a `hidden beast` number, since 4 + 26 + 81 + 4 + 518 + 33 = 666.

It is not a de Polignac number, because 42681451833 - 2¹⁷ = 42681320761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42681451823) 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, 8376223 + ... + 8381316.

Almost surely, 2^42681451833 is an apocalyptic number.

It is an amenable number.

42681451833 is a deficient number, since it is larger than the sum of its proper divisors (19187385847).

42681451833 is a wasteful number, since it uses less digits than its factorization.

42681451833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757828 (or 16757825 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 42681451833 in words is "forty-two billion, six hundred eighty-one million, four hundred fifty-one thousand, eight hundred thirty-three".