10621228637473 has 8 divisors (see below), whose sum is σ = 10667750551848. Its totient is φ = 10574746988544.

The previous prime is 10621228637413. The next prime is 10621228637477. The reversal of 10621228637473 is 37473682212601.

10621228637473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8289890533089 + 2331338104384 = 2879217^2 + 1526872^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10621228637473 - 2²⁹ = 10620691766561 is a prime.

It is a super-2 number, since 2×10621228637473² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10621228637473.

It is not an unprimeable number, because it can be changed into a prime (10621228637477) 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, 9537586 + ... + 10592827.

It is an arithmetic number, because the mean of its divisors is an integer number (1333468818981).

Almost surely, 2^{10621228637473} is an apocalyptic number.

It is an amenable number.

10621228637473 is a deficient number, since it is larger than the sum of its proper divisors (46521914375).

10621228637473 is a wasteful number, since it uses less digits than its factorization.

10621228637473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132723.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 10621228637473 in words is "ten trillion, six hundred twenty-one billion, two hundred twenty-eight million, six hundred thirty-seven thousand, four hundred seventy-three".