10644387473 has 8 divisors (see below), whose sum is σ = 10849826400. Its totient is φ = 10439782848.

The previous prime is 10644387469. The next prime is 10644387491. The reversal of 10644387473 is 37478344601.

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

It is not a de Polignac number, because 10644387473 - 2² = 10644387469 is a prime.

It is a super-2 number, since 2×10644387473² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10644387443) 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, 182783 + ... + 233876.

It is an arithmetic number, because the mean of its divisors is an integer number (1356228300).

Almost surely, 2^10644387473 is an apocalyptic number.

It is an amenable number.

10644387473 is a deficient number, since it is larger than the sum of its proper divisors (205438927).

10644387473 is an equidigital number, since it uses as much as digits as its factorization.

10644387473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417151.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 10644387473 in words is "ten billion, six hundred forty-four million, three hundred eighty-seven thousand, four hundred seventy-three".