421934851002192 has 320 divisors, whose sum is σ = 1368052221911040. Its totient is φ = 110326789324800.

The previous prime is 421934851002191. The next prime is 421934851002257. The reversal of 421934851002192 is 291200158439124.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421934851002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34617213 + ... + 45190940.

It is an arithmetic number, because the mean of its divisors is an integer number (4275163193472).

Almost surely, 2^{421934851002192} is an apocalyptic number.

It is an amenable number.

421934851002192 is an abundant number, since it is smaller than the sum of its proper divisors (946117370908848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421934851002192 is a wasteful number, since it uses less digits than its factorization.

421934851002192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79808242 (or 79808236 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 421934851002192 in words is "four hundred twenty-one trillion, nine hundred thirty-four billion, eight hundred fifty-one million, two thousand, one hundred ninety-two".