421150645670242 has 8 divisors (see below), whose sum is σ = 635033434309632. Its totient is φ = 209472834233700.

The previous prime is 421150645670233. The next prime is 421150645670243. The reversal of 421150645670242 is 242076546051124.

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

It is a super-2 number, since 2×421150645670242² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421150645670243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551244300234 + ... + 551244300997.

It is an arithmetic number, because the mean of its divisors is an integer number (79379179288704).

Almost surely, 2^{421150645670242} is an apocalyptic number.

421150645670242 is a deficient number, since it is larger than the sum of its proper divisors (213882788639390).

421150645670242 is a wasteful number, since it uses less digits than its factorization.

421150645670242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102488601424.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 421150645670242 in words is "four hundred twenty-one trillion, one hundred fifty billion, six hundred forty-five million, six hundred seventy thousand, two hundred forty-two".