662378397713 has 8 divisors (see below), whose sum is σ = 671483530536. Its totient is φ = 653274115200.

The previous prime is 662378397683. The next prime is 662378397719. The reversal of 662378397713 is 317793873266.

It can be written as a sum of positive squares in 4 ways, for example, as 321242969089 + 341135428624 = 566783^2 + 584068^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 662378397713 - 2⁶ = 662378397649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662378397719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444223 + ... + 1846763.

It is an arithmetic number, because the mean of its divisors is an integer number (83935441317).

Almost surely, 2^662378397713 is an apocalyptic number.

It is an amenable number.

662378397713 is a deficient number, since it is larger than the sum of its proper divisors (9105132823).

662378397713 is a wasteful number, since it uses less digits than its factorization.

662378397713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425155.

The product of its digits is 48009024, while the sum is 62.

The spelling of 662378397713 in words is "six hundred sixty-two billion, three hundred seventy-eight million, three hundred ninety-seven thousand, seven hundred thirteen".