10430321421 has 32 divisors (see below), whose sum is σ = 15137111808. Its totient is φ = 6350307840.

The previous prime is 10430321399. The next prime is 10430321437. The reversal of 10430321421 is 12412303401.

It is not a de Polignac number, because 10430321421 - 2⁹ = 10430320909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10430321521) 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, 1658535 + ... + 1664811.

It is an arithmetic number, because the mean of its divisors is an integer number (473034744).

Almost surely, 2^10430321421 is an apocalyptic number.

It is an amenable number.

10430321421 is a deficient number, since it is larger than the sum of its proper divisors (4706790387).

10430321421 is a wasteful number, since it uses less digits than its factorization.

10430321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10430321421 its reverse (12412303401), we get a palindrome (22842624822).

The spelling of 10430321421 in words is "ten billion, four hundred thirty million, three hundred twenty-one thousand, four hundred twenty-one".