10605621445 has 16 divisors (see below), whose sum is σ = 13729636080. Its totient is φ = 7834737664.

The previous prime is 10605621443. The next prime is 10605621461. The reversal of 10605621445 is 54412650601.

It can be written as a sum of positive squares in 8 ways, for example, as 1870476001 + 8735145444 = 43249^2 + 93462^2 .

It is a cyclic number.

It is not a de Polignac number, because 10605621445 - 2¹ = 10605621443 is a prime.

It is a super-2 number, since 2×10605621445² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10605621445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10605621443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172590 + ... + 1181599.

It is an arithmetic number, because the mean of its divisors is an integer number (858102255).

Almost surely, 2^10605621445 is an apocalyptic number.

It is an amenable number.

10605621445 is a deficient number, since it is larger than the sum of its proper divisors (3124014635).

10605621445 is a wasteful number, since it uses less digits than its factorization.

10605621445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354264.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 10605621445 in words is "ten billion, six hundred five million, six hundred twenty-one thousand, four hundred forty-five".