10644303077 has 4 divisors (see below), whose sum is σ = 10645585740. Its totient is φ = 10643020416.

The previous prime is 10644303073. The next prime is 10644303097. The reversal of 10644303077 is 77030344601.

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 7124372836 + 3519930241 = 84406^2 + 59329^2 .

It is a cyclic number.

It is not a de Polignac number, because 10644303077 - 2² = 10644303073 is a prime.

It is a super-2 number, since 2×10644303077² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644303073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628802 + ... + 645507.

It is an arithmetic number, because the mean of its divisors is an integer number (2661396435).

Almost surely, 2^10644303077 is an apocalyptic number.

It is an amenable number.

10644303077 is a deficient number, since it is larger than the sum of its proper divisors (1282663).

10644303077 is an equidigital number, since it uses as much as digits as its factorization.

10644303077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282662.

The product of its (nonzero) digits is 42336, while the sum is 35.

Adding to 10644303077 its reverse (77030344601), we get a palindrome (87674647678).

The spelling of 10644303077 in words is "ten billion, six hundred forty-four million, three hundred three thousand, seventy-seven".