548648639018 has 16 divisors (see below), whose sum is σ = 879526905984. Its totient is φ = 255774624960.

The previous prime is 548648639009. The next prime is 548648639027. The reversal of 548648639018 is 810936846845.

It is an interprime number because it is at equal distance from previous prime (548648639009) and next prime (548648639027).

It is a super-3 number, since 3×548648639018³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75401618 + ... + 75408893.

It is an arithmetic number, because the mean of its divisors is an integer number (54970431624).

Almost surely, 2^548648639018 is an apocalyptic number.

548648639018 is a deficient number, since it is larger than the sum of its proper divisors (330878266966).

548648639018 is a wasteful number, since it uses less digits than its factorization.

548648639018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150810637.

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 548648639018 in words is "five hundred forty-eight billion, six hundred forty-eight million, six hundred thirty-nine thousand, eighteen".