494169961494 has 16 divisors (see below), whose sum is σ = 1078189007040. Its totient is φ = 149748473160.

The previous prime is 494169961457. The next prime is 494169961499.

494169961494 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 7487423659 = 494169961494 / (4 + 9 + 4 + 1 + 6 + 9 + 9 + 6 + 1 + 4 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494169961499) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3743711764 + ... + 3743711895.

It is an arithmetic number, because the mean of its divisors is an integer number (67386812940).

Almost surely, 2^494169961494 is an apocalyptic number.

494169961494 is an abundant number, since it is smaller than the sum of its proper divisors (584019045546).

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

494169961494 is a wasteful number, since it uses less digits than its factorization.

494169961494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487423675.

The product of its digits is 60466176, while the sum is 66.

The spelling of 494169961494 in words is "four hundred ninety-four billion, one hundred sixty-nine million, nine hundred sixty-one thousand, four hundred ninety-four".