421965243194 has 8 divisors (see below), whose sum is σ = 690488579808. Its totient is φ = 191802383260.

The previous prime is 421965243191. The next prime is 421965243211. The reversal of 421965243194 is 491342569124.

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

It is not an unprimeable number, because it can be changed into a prime (421965243191) 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, 9590119142 + ... + 9590119185.

It is an arithmetic number, because the mean of its divisors is an integer number (86311072476).

Almost surely, 2^421965243194 is an apocalyptic number.

421965243194 is a deficient number, since it is larger than the sum of its proper divisors (268523336614).

421965243194 is a wasteful number, since it uses less digits than its factorization.

421965243194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19180238340.

The product of its digits is 1866240, while the sum is 50.

The spelling of 421965243194 in words is "four hundred twenty-one billion, nine hundred sixty-five million, two hundred forty-three thousand, one hundred ninety-four".