10144735421 has 4 divisors (see below), whose sum is σ = 10188275292. Its totient is φ = 10101195552.

The previous prime is 10144735409. The next prime is 10144735429. The reversal of 10144735421 is 12453744101.

10144735421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1752343321 + 8392392100 = 41861^2 + 91610^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144735421 - 2¹⁸ = 10144473277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144735429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21769586 + ... + 21770051.

It is an arithmetic number, because the mean of its divisors is an integer number (2547068823).

Almost surely, 2^10144735421 is an apocalyptic number.

It is an amenable number.

10144735421 is a deficient number, since it is larger than the sum of its proper divisors (43539871).

10144735421 is an equidigital number, since it uses as much as digits as its factorization.

10144735421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43539870.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 10144735421 in words is "ten billion, one hundred forty-four million, seven hundred thirty-five thousand, four hundred twenty-one".