421166241142 has 4 divisors (see below), whose sum is σ = 631749361716. Its totient is φ = 210583120570.

The previous prime is 421166241137. The next prime is 421166241143. The reversal of 421166241142 is 241142661124.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 421166241098 and 421166241107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421166241143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105291560284 + ... + 105291560287.

It is an arithmetic number, because the mean of its divisors is an integer number (157937340429).

Almost surely, 2^421166241142 is an apocalyptic number.

421166241142 is a deficient number, since it is larger than the sum of its proper divisors (210583120574).

421166241142 is a wasteful number, since it uses less digits than its factorization.

421166241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210583120573.

The product of its digits is 18432, while the sum is 34.

The spelling of 421166241142 in words is "four hundred twenty-one billion, one hundred sixty-six million, two hundred forty-one thousand, one hundred forty-two".