1494918066543 has 16 divisors (see below), whose sum is σ = 2180483193600. Its totient is φ = 903487234880.

The previous prime is 1494918066493. The next prime is 1494918066557. The reversal of 1494918066543 is 3456608194941.

It is a cyclic number.

It is not a de Polignac number, because 1494918066543 - 2⁸ = 1494918066287 is a prime.

It is a super-2 number, since 2×1494918066543² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494918066443) 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, 63080838 + ... + 63104531.

It is an arithmetic number, because the mean of its divisors is an integer number (136280199600).

Almost surely, 2^{1494918066543} is an apocalyptic number.

1494918066543 is a deficient number, since it is larger than the sum of its proper divisors (685565127057).

1494918066543 is a wasteful number, since it uses less digits than its factorization.

1494918066543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126185742.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 1494918066543 in words is "one trillion, four hundred ninety-four billion, nine hundred eighteen million, sixty-six thousand, five hundred forty-three".