12929853546 has 12 divisors (see below), whose sum is σ = 28014682722. Its totient is φ = 4309951176.

The previous prime is 12929853529. The next prime is 12929853589. The reversal of 12929853546 is 64535892921.

12929853546 is a `hidden beast` number, since 1 + 2 + 9 + 2 + 98 + 5 + 3 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12924279225 + 5574321 = 113685^2 + 2361^2 .

It is a super-2 number, since 2×12929853546² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12929853492 and 12929853501.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359162581 + ... + 359162616.

Almost surely, 2^12929853546 is an apocalyptic number.

12929853546 is an abundant number, since it is smaller than the sum of its proper divisors (15084829176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12929853546 is a wasteful number, since it uses less digits than its factorization.

12929853546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718325205 (or 718325202 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 12929853546 in words is "twelve billion, nine hundred twenty-nine million, eight hundred fifty-three thousand, five hundred forty-six".