12835659491 has 8 divisors (see below), whose sum is σ = 12951731520. Its totient is φ = 12719631232.

The previous prime is 12835659457. The next prime is 12835659497. The reversal of 12835659491 is 19495653821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12835659491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12835659497) by changing a digit.

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, 973046 + ... + 986148.

It is an arithmetic number, because the mean of its divisors is an integer number (1618966440).

Almost surely, 2^12835659491 is an apocalyptic number.

12835659491 is a deficient number, since it is larger than the sum of its proper divisors (116072029).

12835659491 is a wasteful number, since it uses less digits than its factorization.

12835659491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21885.

The product of its digits is 2332800, while the sum is 53.

The spelling of 12835659491 in words is "twelve billion, eight hundred thirty-five million, six hundred fifty-nine thousand, four hundred ninety-one".