813677343742 has 8 divisors (see below), whose sum is σ = 1220526367632. Its totient is φ = 406835221200.

The previous prime is 813677343659. The next prime is 813677343797. The reversal of 813677343742 is 247343776318.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419759 + ... + 1908682.

It is an arithmetic number, because the mean of its divisors is an integer number (152565795954).

Almost surely, 2^813677343742 is an apocalyptic number.

813677343742 is a deficient number, since it is larger than the sum of its proper divisors (406849023890).

813677343742 is a wasteful number, since it uses less digits than its factorization.

813677343742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450674.

The product of its digits is 14224896, while the sum is 55.

The spelling of 813677343742 in words is "eight hundred thirteen billion, six hundred seventy-seven million, three hundred forty-three thousand, seven hundred forty-two".