10344543621 has 8 divisors (see below), whose sum is σ = 13981666560. Its totient is φ = 6801891552.

The previous prime is 10344543611. The next prime is 10344543661. The reversal of 10344543621 is 12634544301.

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 10344543621 - 2⁵ = 10344543589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10344543611) 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, 23617461 + ... + 23617898.

It is an arithmetic number, because the mean of its divisors is an integer number (1747708320).

Almost surely, 2^10344543621 is an apocalyptic number.

It is an amenable number.

10344543621 is a deficient number, since it is larger than the sum of its proper divisors (3637122939).

10344543621 is an equidigital number, since it uses as much as digits as its factorization.

10344543621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47235435.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 10344543621 in words is "ten billion, three hundred forty-four million, five hundred forty-three thousand, six hundred twenty-one".