421243410430 has 32 divisors (see below), whose sum is σ = 758955878784. Its totient is φ = 168337959936.

The previous prime is 421243410359. The next prime is 421243410433. The reversal of 421243410430 is 34014342124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421243410433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63312984 + ... + 63319636.

It is an arithmetic number, because the mean of its divisors is an integer number (23717371212).

Almost surely, 2^421243410430 is an apocalyptic number.

421243410430 is a deficient number, since it is larger than the sum of its proper divisors (337712468354).

421243410430 is a wasteful number, since it uses less digits than its factorization.

421243410430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11700.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 421243410430 its reverse (34014342124), we get a palindrome (455257752554).

The spelling of 421243410430 in words is "four hundred twenty-one billion, two hundred forty-three million, four hundred ten thousand, four hundred thirty".