5646408949523 has 8 divisors (see below), whose sum is σ = 5740215006816. Its totient is φ = 5552999536000.

The previous prime is 5646408949499. The next prime is 5646408949537. The reversal of 5646408949523 is 3259498046465.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5646408949523 - 2²² = 5646404755219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5646408949523.

It is not an unprimeable number, because it can be changed into a prime (5646401949523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99132236 + ... + 99189177.

It is an arithmetic number, because the mean of its divisors is an integer number (717526875852).

Almost surely, 2^{5646408949523} is an apocalyptic number.

5646408949523 is a deficient number, since it is larger than the sum of its proper divisors (93806057293).

5646408949523 is a wasteful number, since it uses less digits than its factorization.

5646408949523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198321885.

The product of its (nonzero) digits is 223948800, while the sum is 65.

The spelling of 5646408949523 in words is "five trillion, six hundred forty-six billion, four hundred eight million, nine hundred forty-nine thousand, five hundred twenty-three".