1332630778613 has 4 divisors (see below), whose sum is σ = 1338160367148. Its totient is φ = 1327101190080.

The previous prime is 1332630778571. The next prime is 1332630778631. The reversal of 1332630778613 is 3168770362331.

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 751441058449 + 581189720164 = 866857^2 + 762358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332630778613 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 (1332630778673) 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, 2764793906 + ... + 2764794387.

It is an arithmetic number, because the mean of its divisors is an integer number (334540091787).

Almost surely, 2^{1332630778613} is an apocalyptic number.

It is an amenable number.

1332630778613 is a deficient number, since it is larger than the sum of its proper divisors (5529588535).

1332630778613 is an equidigital number, since it uses as much as digits as its factorization.

1332630778613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529588534.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 1332630778613 in words is "one trillion, three hundred thirty-two billion, six hundred thirty million, seven hundred seventy-eight thousand, six hundred thirteen".