12675521758949 has 16 divisors (see below), whose sum is σ = 15344042823936. Its totient is φ = 10221900115200.

The previous prime is 12675521758903. The next prime is 12675521758951. The reversal of 12675521758949 is 94985712557621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12675521758949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12675521728949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19104137 + ... + 19756494.

It is an arithmetic number, because the mean of its divisors is an integer number (959002676496).

Almost surely, 2^{12675521758949} is an apocalyptic number.

It is an amenable number.

12675521758949 is a deficient number, since it is larger than the sum of its proper divisors (2668521064987).

12675521758949 is a wasteful number, since it uses less digits than its factorization.

12675521758949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38863396.

The product of its digits is 381024000, while the sum is 71.

The spelling of 12675521758949 in words is "twelve trillion, six hundred seventy-five billion, five hundred twenty-one million, seven hundred fifty-eight thousand, nine hundred forty-nine".