126488936449 has 8 divisors (see below), whose sum is σ = 129203123328. Its totient is φ = 123775705200.

The previous prime is 126488936423. The next prime is 126488936527. The reversal of 126488936449 is 944639884621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126488936449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126488936419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31914 + ... + 503980.

It is an arithmetic number, because the mean of its divisors is an integer number (16150390416).

Almost surely, 2^126488936449 is an apocalyptic number.

It is an amenable number.

126488936449 is a deficient number, since it is larger than the sum of its proper divisors (2714186879).

126488936449 is an equidigital number, since it uses as much as digits as its factorization.

126488936449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477815.

The product of its digits is 71663616, while the sum is 64.

The spelling of 126488936449 in words is "one hundred twenty-six billion, four hundred eighty-eight million, nine hundred thirty-six thousand, four hundred forty-nine".