12752517869 has 48 divisors (see below), whose sum is σ = 16918876800. Its totient is φ = 9334217088.

The previous prime is 12752517863. The next prime is 12752517901. The reversal of 12752517869 is 96871525721.

It is not a de Polignac number, because 12752517869 - 2³² = 8457550573 is a prime.

It is a super-2 number, since 2×12752517869² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12752517869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752517863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3194927 + ... + 3198915.

It is an arithmetic number, because the mean of its divisors is an integer number (352476600).

Almost surely, 2^12752517869 is an apocalyptic number.

12752517869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12752517869 is a deficient number, since it is larger than the sum of its proper divisors (4166358931).

12752517869 is a wasteful number, since it uses less digits than its factorization.

12752517869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114 (or 4071 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 53.

The spelling of 12752517869 in words is "twelve billion, seven hundred fifty-two million, five hundred seventeen thousand, eight hundred sixty-nine".