1478494522193 has 24 divisors (see below), whose sum is σ = 1617819038136. Its totient is φ = 1350409881600.

The previous prime is 1478494522189. The next prime is 1478494522223. The reversal of 1478494522193 is 3912254948741.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 467538677824 + 1010955844369 = 683768^2 + 1005463^2 .

It is not a de Polignac number, because 1478494522193 - 2² = 1478494522189 is a prime.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478494521193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151154963 + ... + 151164743.

It is an arithmetic number, because the mean of its divisors is an integer number (67409126589).

Almost surely, 2^{1478494522193} is an apocalyptic number.

1478494522193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1478494522193 is a deficient number, since it is larger than the sum of its proper divisors (139324515943).

1478494522193 is an equidigital number, since it uses as much as digits as its factorization.

1478494522193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125 (or 19112 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 1478494522193 in words is "one trillion, four hundred seventy-eight billion, four hundred ninety-four million, five hundred twenty-two thousand, one hundred ninety-three".