42810643241 has 4 divisors (see below), whose sum is σ = 42811247952. Its totient is φ = 42810038532.

The previous prime is 42810643223. The next prime is 42810643243. The reversal of 42810643241 is 14234601824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42810643241 - 2⁶ = 42810643177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42810643243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179531 + ... + 343296.

It is an arithmetic number, because the mean of its divisors is an integer number (10702811988).

Almost surely, 2^42810643241 is an apocalyptic number.

It is an amenable number.

42810643241 is a deficient number, since it is larger than the sum of its proper divisors (604711).

42810643241 is an equidigital number, since it uses as much as digits as its factorization.

42810643241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604710.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 42810643241 in words is "forty-two billion, eight hundred ten million, six hundred forty-three thousand, two hundred forty-one".