12992449659 has 8 divisors (see below), whose sum is σ = 19798018560. Its totient is φ = 7424256936.

The previous prime is 12992449651. The next prime is 12992449667. The reversal of 12992449659 is 95694429921.

It is an interprime number because it is at equal distance from previous prime (12992449651) and next prime (12992449667).

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

It is not a de Polignac number, because 12992449659 - 2³ = 12992449651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12992449651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309344019 + ... + 309344060.

It is an arithmetic number, because the mean of its divisors is an integer number (2474752320).

Almost surely, 2^12992449659 is an apocalyptic number.

12992449659 is a deficient number, since it is larger than the sum of its proper divisors (6805568901).

12992449659 is an equidigital number, since it uses as much as digits as its factorization.

12992449659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618688089.

The product of its digits is 12597120, while the sum is 60.

The spelling of 12992449659 in words is "twelve billion, nine hundred ninety-two million, four hundred forty-nine thousand, six hundred fifty-nine".