10243401421 has 8 divisors (see below), whose sum is σ = 11230776000. Its totient is φ = 9265386240.

The previous prime is 10243401379. The next prime is 10243401437. The reversal of 10243401421 is 12410434201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10243401421 - 2²³ = 10235012813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10243401392 and 10243401401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243401491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337556 + ... + 2341933.

It is an arithmetic number, because the mean of its divisors is an integer number (1403847000).

Almost surely, 2^10243401421 is an apocalyptic number.

10243401421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10243401421 is a deficient number, since it is larger than the sum of its proper divisors (987374579).

10243401421 is a wasteful number, since it uses less digits than its factorization.

10243401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679699.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10243401421 its reverse (12410434201), we get a palindrome (22653835622).

The spelling of 10243401421 in words is "ten billion, two hundred forty-three million, four hundred one thousand, four hundred twenty-one".