42421561233 has 8 divisors (see below), whose sum is σ = 56563197600. Its totient is φ = 28280482848.

The previous prime is 42421561211. The next prime is 42421561249. The reversal of 42421561233 is 33216512424.

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

It is not a de Polignac number, because 42421561233 - 2⁸ = 42421560977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42421561194 and 42421561203.

It is not an unprimeable number, because it can be changed into a prime (42421561283) 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, 93498 + ... + 305916.

It is an arithmetic number, because the mean of its divisors is an integer number (7070399700).

Almost surely, 2^42421561233 is an apocalyptic number.

It is an amenable number.

42421561233 is a deficient number, since it is larger than the sum of its proper divisors (14141636367).

42421561233 is a wasteful number, since it uses less digits than its factorization.

42421561233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278991.

The product of its digits is 34560, while the sum is 33.

The spelling of 42421561233 in words is "forty-two billion, four hundred twenty-one million, five hundred sixty-one thousand, two hundred thirty-three".