63323340709 has 4 divisors (see below), whose sum is σ = 63326265004. Its totient is φ = 63320416416.

The previous prime is 63323340701. The next prime is 63323340799. The reversal of 63323340709 is 90704332336.

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 54763020225 + 8560320484 = 234015^2 + 92522^2 .

It is a cyclic number.

It is not a de Polignac number, because 63323340709 - 2³ = 63323340701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63323340701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429422 + ... + 1473055.

It is an arithmetic number, because the mean of its divisors is an integer number (15831566251).

Almost surely, 2^63323340709 is an apocalyptic number.

It is an amenable number.

63323340709 is a deficient number, since it is larger than the sum of its proper divisors (2924295).

63323340709 is a wasteful number, since it uses less digits than its factorization.

63323340709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924294.

The product of its (nonzero) digits is 244944, while the sum is 40.

The spelling of 63323340709 in words is "sixty-three billion, three hundred twenty-three million, three hundred forty thousand, seven hundred nine".