12693650849 has 8 divisors (see below), whose sum is σ = 14449689792. Its totient is φ = 11037957040.

The previous prime is 12693650839. The next prime is 12693650861. The reversal of 12693650849 is 94805639621.

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

It is a de Polignac number, because none of the positive numbers 2^k-12693650849 is a prime.

It is a super-2 number, since 2×12693650849² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12693650849.

It is not an unprimeable number, because it can be changed into a prime (12693650839) 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, 25086014 + ... + 25086519.

It is an arithmetic number, because the mean of its divisors is an integer number (1806211224).

Almost surely, 2^12693650849 is an apocalyptic number.

It is an amenable number.

12693650849 is a deficient number, since it is larger than the sum of its proper divisors (1756038943).

12693650849 is a wasteful number, since it uses less digits than its factorization.

12693650849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50172567.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 12693650849 in words is "twelve billion, six hundred ninety-three million, six hundred fifty thousand, eight hundred forty-nine".