421304241043 has 16 divisors (see below), whose sum is σ = 483121545984. Its totient is φ = 359896592160.

The previous prime is 421304240993. The next prime is 421304241049. The reversal of 421304241043 is 340142403124.

It is a de Polignac number, because none of the positive numbers 2^k-421304241043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421304241049) 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, 2589796 + ... + 2747662.

It is an arithmetic number, because the mean of its divisors is an integer number (30195096624).

Almost surely, 2^421304241043 is an apocalyptic number.

421304241043 is a deficient number, since it is larger than the sum of its proper divisors (61817304941).

421304241043 is a wasteful number, since it uses less digits than its factorization.

421304241043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159162.

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

Adding to 421304241043 its reverse (340142403124), we get a palindrome (761446644167).

The spelling of 421304241043 in words is "four hundred twenty-one billion, three hundred four million, two hundred forty-one thousand, forty-three".