549388346968 has 16 divisors (see below), whose sum is σ = 1030123543680. Its totient is φ = 274688735328.

The previous prime is 549388346957. The next prime is 549388346981. The reversal of 549388346968 is 869643883945.

It is a self number, because there is not a number n which added to its sum of digits gives 549388346968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233155 + ... + 1073842.

It is an arithmetic number, because the mean of its divisors is an integer number (64382721480).

Almost surely, 2^549388346968 is an apocalyptic number.

It is an amenable number.

549388346968 is a deficient number, since it is larger than the sum of its proper divisors (480735196712).

549388346968 is a wasteful number, since it uses less digits than its factorization.

549388346968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359546 (or 1359542 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 73.

The spelling of 549388346968 in words is "five hundred forty-nine billion, three hundred eighty-eight million, three hundred forty-six thousand, nine hundred sixty-eight".