32730563490913 has 4 divisors (see below), whose sum is σ = 32731341701908. Its totient is φ = 32729785279920.

The previous prime is 32730563490893. The next prime is 32730563490917. The reversal of 32730563490913 is 31909436503723.

It is a happy number.

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 32593046377024 + 137517113889 = 5709032^2 + 370833^2 .

It is a cyclic number.

It is not a de Polignac number, because 32730563490913 - 2⁵ = 32730563490881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32730563490917) 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, 389042406 + ... + 389126527.

It is an arithmetic number, because the mean of its divisors is an integer number (8182835425477).

Almost surely, 2^{32730563490913} is an apocalyptic number.

It is an amenable number.

32730563490913 is a deficient number, since it is larger than the sum of its proper divisors (778210995).

32730563490913 is an equidigital number, since it uses as much as digits as its factorization.

32730563490913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778210994.

The product of its (nonzero) digits is 11022480, while the sum is 55.

The spelling of 32730563490913 in words is "thirty-two trillion, seven hundred thirty billion, five hundred sixty-three million, four hundred ninety thousand, nine hundred thirteen".