493445454548 has 12 divisors (see below), whose sum is σ = 891385337472. Its totient is φ = 238763929560.

The previous prime is 493445454521. The next prime is 493445454611. The reversal of 493445454548 is 845454544394.

It is a super-2 number, since 2×493445454548² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989699290 + ... + 1989699537.

It is an arithmetic number, because the mean of its divisors is an integer number (74282111456).

Almost surely, 2^493445454548 is an apocalyptic number.

It is an amenable number.

493445454548 is a deficient number, since it is larger than the sum of its proper divisors (397939882924).

493445454548 is a wasteful number, since it uses less digits than its factorization.

493445454548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979398862 (or 3979398860 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 59.

The spelling of 493445454548 in words is "four hundred ninety-three billion, four hundred forty-five million, four hundred fifty-four thousand, five hundred forty-eight".