10354243421 has 4 divisors (see below), whose sum is σ = 10365511200. Its totient is φ = 10342975644.

The previous prime is 10354243391. The next prime is 10354243441. The reversal of 10354243421 is 12434245301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10354243421 - 2¹⁰ = 10354242397 is a prime.

It is a super-3 number, since 3×10354243421³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10354243441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5632511 + ... + 5634348.

It is an arithmetic number, because the mean of its divisors is an integer number (2591377800).

Almost surely, 2^10354243421 is an apocalyptic number.

It is an amenable number.

10354243421 is a deficient number, since it is larger than the sum of its proper divisors (11267779).

10354243421 is an equidigital number, since it uses as much as digits as its factorization.

10354243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267778.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 10354243421 its reverse (12434245301), we get a palindrome (22788488722).

The spelling of 10354243421 in words is "ten billion, three hundred fifty-four million, two hundred forty-three thousand, four hundred twenty-one".