4168739918493 has 16 divisors (see below), whose sum is σ = 6187326744000. Its totient is φ = 2774022856560.

The previous prime is 4168739918437. The next prime is 4168739918507. The reversal of 4168739918493 is 3948199378614.

4168739918493 is a `hidden beast` number, since 4 + 1 + 68 + 73 + 9 + 9 + 1 + 8 + 493 = 666.

It is not a de Polignac number, because 4168739918493 - 2⁹ = 4168739917981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168739918593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142682043 + ... + 142711256.

It is an arithmetic number, because the mean of its divisors is an integer number (386707921500).

Almost surely, 2^{4168739918493} is an apocalyptic number.

It is an amenable number.

4168739918493 is a deficient number, since it is larger than the sum of its proper divisors (2018586825507).

4168739918493 is a wasteful number, since it uses less digits than its factorization.

4168739918493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285393849 (or 285393843 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The spelling of 4168739918493 in words is "four trillion, one hundred sixty-eight billion, seven hundred thirty-nine million, nine hundred eighteen thousand, four hundred ninety-three".