549653356945 has 64 divisors (see below), whose sum is σ = 830978652672. Its totient is φ = 339045120000.

The previous prime is 549653356937. The next prime is 549653356961.

549653356945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 549653356945 - 2³ = 549653356937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88693587 + ... + 88699783.

It is an arithmetic number, because the mean of its divisors is an integer number (12984041448).

Almost surely, 2^549653356945 is an apocalyptic number.

549653356945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549653356945 is a deficient number, since it is larger than the sum of its proper divisors (281325295727).

549653356945 is a wasteful number, since it uses less digits than its factorization.

549653356945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8602.

The product of its digits is 262440000, while the sum is 64.

The spelling of 549653356945 in words is "five hundred forty-nine billion, six hundred fifty-three million, three hundred fifty-six thousand, nine hundred forty-five".