12850849519 has 8 divisors (see below), whose sum is σ = 13544198640. Its totient is φ = 12159199296.

The previous prime is 12850849511. The next prime is 12850849553. The reversal of 12850849519 is 91594805821.

It is a happy number.

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 12850849519 - 2³ = 12850849511 is a prime.

It is a super-2 number, since 2×12850849519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12850849511) 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, 409174 + ... + 439459.

It is an arithmetic number, because the mean of its divisors is an integer number (1693024830).

Almost surely, 2^12850849519 is an apocalyptic number.

12850849519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12850849519 is a deficient number, since it is larger than the sum of its proper divisors (693349121).

12850849519 is an equidigital number, since it uses as much as digits as its factorization.

12850849519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849449.

The product of its (nonzero) digits is 1036800, while the sum is 52.

The spelling of 12850849519 in words is "twelve billion, eight hundred fifty million, eight hundred forty-nine thousand, five hundred nineteen".