813416635 has 8 divisors (see below), whose sum is σ = 976726080. Its totient is φ = 650315904.

The previous prime is 813416609. The next prime is 813416641. The reversal of 813416635 is 536614318.

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 813416635 - 2⁵ = 813416603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 813416594 and 813416603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43470 + ... + 59299.

It is an arithmetic number, because the mean of its divisors is an integer number (122090760).

Almost surely, 2^813416635 is an apocalyptic number.

813416635 is a deficient number, since it is larger than the sum of its proper divisors (163309445).

813416635 is a wasteful number, since it uses less digits than its factorization.

813416635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104357.

The product of its digits is 51840, while the sum is 37.

The square root of 813416635 is about 28520.4599366841. The cubic root of 813416635 is about 933.4785650559.

The spelling of 813416635 in words is "eight hundred thirteen million, four hundred sixteen thousand, six hundred thirty-five".