12990509535 has 8 divisors (see below), whose sum is σ = 20784815280. Its totient is φ = 6928271744.

The previous prime is 12990509527. The next prime is 12990509617. The reversal of 12990509535 is 53590509921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12990509535 - 2³ = 12990509527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433016970 + ... + 433016999.

It is an arithmetic number, because the mean of its divisors is an integer number (2598101910).

Almost surely, 2^12990509535 is an apocalyptic number.

12990509535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12990509535 is a deficient number, since it is larger than the sum of its proper divisors (7794305745).

12990509535 is an equidigital number, since it uses as much as digits as its factorization.

12990509535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866033977.

The product of its (nonzero) digits is 546750, while the sum is 48.

The spelling of 12990509535 in words is "twelve billion, nine hundred ninety million, five hundred nine thousand, five hundred thirty-five".