10765747321 has 24 divisors (see below), whose sum is σ = 12750318600. Its totient is φ = 9061113600.

The previous prime is 10765747319. The next prime is 10765747381. The reversal of 10765747321 is 12374756701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3759721 + 10761987600 = 1939^2 + 103740^2 .

It is not a de Polignac number, because 10765747321 - 2¹ = 10765747319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10765747381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1973005 + ... + 1978453.

It is an arithmetic number, because the mean of its divisors is an integer number (531263275).

Almost surely, 2^10765747321 is an apocalyptic number.

It is an amenable number.

10765747321 is a deficient number, since it is larger than the sum of its proper divisors (1984571279).

10765747321 is an equidigital number, since it uses as much as digits as its factorization.

10765747321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185 (or 6178 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 10765747321 in words is "ten billion, seven hundred sixty-five million, seven hundred forty-seven thousand, three hundred twenty-one".