12853780507 has 4 divisors (see below), whose sum is σ = 12920380600. Its totient is φ = 12787180416.

The previous prime is 12853780469. The next prime is 12853780543. The reversal of 12853780507 is 70508735821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12853780507 - 2²³ = 12845391899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12853780567) 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, 33299757 + ... + 33300142.

It is an arithmetic number, because the mean of its divisors is an integer number (3230095150).

Almost surely, 2^12853780507 is an apocalyptic number.

12853780507 is a deficient number, since it is larger than the sum of its proper divisors (66600093).

12853780507 is an equidigital number, since it uses as much as digits as its factorization.

12853780507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66600092.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 12853780507 in words is "twelve billion, eight hundred fifty-three million, seven hundred eighty thousand, five hundred seven".