12869401519 has 4 divisors (see below), whose sum is σ = 13859355496. Its totient is φ = 11879447544.

The previous prime is 12869401507. The next prime is 12869401529. The reversal of 12869401519 is 91510496821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91510496821 = 91753 ⋅997357.

It is a cyclic number.

It is not a de Polignac number, because 12869401519 - 2¹¹ = 12869399471 is a prime.

It is a super-2 number, since 2×12869401519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869401529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494976969 + ... + 494976994.

It is an arithmetic number, because the mean of its divisors is an integer number (3464838874).

Almost surely, 2^12869401519 is an apocalyptic number.

12869401519 is a deficient number, since it is larger than the sum of its proper divisors (989953977).

12869401519 is an equidigital number, since it uses as much as digits as its factorization.

12869401519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989953976.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 12869401519 in words is "twelve billion, eight hundred sixty-nine million, four hundred one thousand, five hundred nineteen".