12849529269555 has 96 divisors (see below), whose sum is σ = 26472429434880. Its totient is φ = 5863599613440.

The previous prime is 12849529269529. The next prime is 12849529269557. The reversal of 12849529269555 is 55596292594821.

12849529269555 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 9 + 5 + 2 + 9 + 2 + 69 + 555 = 666.

It is not a de Polignac number, because 12849529269555 - 2⁷ = 12849529269427 is a prime.

It is a super-2 number, since 2×12849529269555² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12849529269557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14541219 + ... + 15399548.

It is an arithmetic number, because the mean of its divisors is an integer number (275754473280).

Almost surely, 2^{12849529269555} is an apocalyptic number.

12849529269555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12849529269555 is an abundant number, since it is smaller than the sum of its proper divisors (13622900165325).

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

12849529269555 is a wasteful number, since it uses less digits than its factorization.

12849529269555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29940826 (or 29940803 counting only the distinct ones).

The product of its digits is 699840000, while the sum is 72.

The spelling of 12849529269555 in words is "twelve trillion, eight hundred forty-nine billion, five hundred twenty-nine million, two hundred sixty-nine thousand, five hundred fifty-five".