1347435745682 has 24 divisors (see below), whose sum is σ = 2188764103140. Its totient is φ = 621842944320.

The previous prime is 1347435745657. The next prime is 1347435745697. The reversal of 1347435745682 is 2865475347431.

It is a happy number.

It is a Cunningham number, because it is equal to 1160791²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 123980747881 + 1223454997801 = 352109^2 + 1106099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4180832 + ... + 4491572.

Almost surely, 2^{1347435745682} is an apocalyptic number.

1347435745682 is a deficient number, since it is larger than the sum of its proper divisors (841328357458).

1347435745682 is a wasteful number, since it uses less digits than its factorization.

1347435745682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323598 (or 323585 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 59.

The spelling of 1347435745682 in words is "one trillion, three hundred forty-seven billion, four hundred thirty-five million, seven hundred forty-five thousand, six hundred eighty-two".