549343343945 has 32 divisors (see below), whose sum is σ = 768710041344. Its totient is φ = 372831078400.

The previous prime is 549343343897. The next prime is 549343343957.

549343343945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 549343343945 - 2¹⁰ = 549343342921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5244032 + ... + 5347761.

It is an arithmetic number, because the mean of its divisors is an integer number (24022188792).

Almost surely, 2^549343343945 is an apocalyptic number.

549343343945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549343343945 is a deficient number, since it is larger than the sum of its proper divisors (219366697399).

549343343945 is a wasteful number, since it uses less digits than its factorization.

549343343945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591873.

The product of its digits is 41990400, while the sum is 56.

The spelling of 549343343945 in words is "five hundred forty-nine billion, three hundred forty-three million, three hundred forty-three thousand, nine hundred forty-five".