42466264021 has 4 divisors (see below), whose sum is σ = 42466702752. Its totient is φ = 42465825292.

The previous prime is 42466263989. The next prime is 42466264039. The reversal of 42466264021 is 12046266424.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42466264021 - 2⁵ = 42466263989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42466264081) 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, 3115 + ... + 291448.

It is an arithmetic number, because the mean of its divisors is an integer number (10616675688).

Almost surely, 2^42466264021 is an apocalyptic number.

It is an amenable number.

42466264021 is a deficient number, since it is larger than the sum of its proper divisors (438731).

42466264021 is a wasteful number, since it uses less digits than its factorization.

42466264021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438730.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 42466264021 in words is "forty-two billion, four hundred sixty-six million, two hundred sixty-four thousand, twenty-one".