10446020645 has 4 divisors (see below), whose sum is σ = 12535224780. Its totient is φ = 8356816512.

The previous prime is 10446020551. The next prime is 10446020657. The reversal of 10446020645 is 54602064401.

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 1111755649 + 9334264996 = 33343^2 + 96614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10446020645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044602060 + ... + 1044602069.

It is an arithmetic number, because the mean of its divisors is an integer number (3133806195).

Almost surely, 2^10446020645 is an apocalyptic number.

It is an amenable number.

10446020645 is a deficient number, since it is larger than the sum of its proper divisors (2089204135).

10446020645 is an equidigital number, since it uses as much as digits as its factorization.

10446020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089204134.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 10446020645 in words is "ten billion, four hundred forty-six million, twenty thousand, six hundred forty-five".