421544124195 has 32 divisors (see below), whose sum is σ = 675397632000. Its totient is φ = 224514716544.

The previous prime is 421544124191. The next prime is 421544124251. The reversal of 421544124195 is 591421445124.

It is not a de Polignac number, because 421544124195 - 2² = 421544124191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421544124191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55837281 + ... + 55844829.

It is an arithmetic number, because the mean of its divisors is an integer number (21106176000).

Almost surely, 2^421544124195 is an apocalyptic number.

421544124195 is a deficient number, since it is larger than the sum of its proper divisors (253853507805).

421544124195 is a wasteful number, since it uses less digits than its factorization.

421544124195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179.

The product of its digits is 230400, while the sum is 42.

The spelling of 421544124195 in words is "four hundred twenty-one billion, five hundred forty-four million, one hundred twenty-four thousand, one hundred ninety-five".