549317713945 has 64 divisors (see below), whose sum is σ = 903885889536. Its totient is φ = 309365441280.

The previous prime is 549317713909. The next prime is 549317713963.

It is a happy number.

549317713945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 549317713945 - 2⁷ = 549317713817 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 549317713945.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932359 + ... + 1402828.

It is an arithmetic number, because the mean of its divisors is an integer number (14123217024).

Almost surely, 2^549317713945 is an apocalyptic number.

549317713945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549317713945 is a deficient number, since it is larger than the sum of its proper divisors (354568175591).

549317713945 is a wasteful number, since it uses less digits than its factorization.

549317713945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335270.

The product of its digits is 14288400, while the sum is 58.

The spelling of 549317713945 in words is "five hundred forty-nine billion, three hundred seventeen million, seven hundred thirteen thousand, nine hundred forty-five".