1493666534844 has 48 divisors (see below), whose sum is σ = 4224511415040. Its totient is φ = 452626222320.

The previous prime is 1493666534809. The next prime is 1493666534929. The reversal of 1493666534844 is 4484356663941.

It is a super-2 number, since 2×1493666534844² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628646344 + ... + 628648719.

It is an arithmetic number, because the mean of its divisors is an integer number (88010654480).

Almost surely, 2^{1493666534844} is an apocalyptic number.

It is an amenable number.

1493666534844 is an abundant number, since it is smaller than the sum of its proper divisors (2730844880196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1493666534844 is a wasteful number, since it uses less digits than its factorization.

1493666534844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257295087 (or 1257295079 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 63.

The spelling of 1493666534844 in words is "one trillion, four hundred ninety-three billion, six hundred sixty-six million, five hundred thirty-four thousand, eight hundred forty-four".