3946456546494 has 64 divisors (see below), whose sum is σ = 9840758833152. Its totient is φ = 1025028252000.

The previous prime is 3946456546423. The next prime is 3946456546517. The reversal of 3946456546494 is 4946456546493.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25001919 + ... + 25159269.

It is an arithmetic number, because the mean of its divisors is an integer number (153761856768).

Almost surely, 2^{3946456546494} is an apocalyptic number.

3946456546494 is an abundant number, since it is smaller than the sum of its proper divisors (5894302286658).

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

3946456546494 is a wasteful number, since it uses less digits than its factorization.

3946456546494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211661.

The product of its digits is 1343692800, while the sum is 69.

Subtracting 3946456546494 from its reverse (4946456546493), we obtain a palindrome (999999999999).

The spelling of 3946456546494 in words is "three trillion, nine hundred forty-six billion, four hundred fifty-six million, five hundred forty-six thousand, four hundred ninety-four".