1428479791682 has 8 divisors (see below), whose sum is σ = 2166795189900. Its totient is φ = 706214728384.

The previous prime is 1428479791681. The next prime is 1428479791693. The reversal of 1428479791682 is 2861979748241.

It can be written as a sum of positive squares in 2 ways, for example, as 1270329613921 + 158150177761 = 1127089^2 + 397681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1428479791681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012583507 + ... + 4012583862.

Almost surely, 2^{1428479791682} is an apocalyptic number.

1428479791682 is a deficient number, since it is larger than the sum of its proper divisors (738315398218).

1428479791682 is an equidigital number, since it uses as much as digits as its factorization.

1428479791682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025167460.

The product of its digits is 97542144, while the sum is 68.

The spelling of 1428479791682 in words is "one trillion, four hundred twenty-eight billion, four hundred seventy-nine million, seven hundred ninety-one thousand, six hundred eighty-two".