813472169135 has 8 divisors (see below), whose sum is σ = 988523142720. Its totient is φ = 642540042144.

The previous prime is 813472169123. The next prime is 813472169143. The reversal of 813472169135 is 531961274318.

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 813472169135 - 2⁴ = 813472169119 is a prime.

It is a congruent number.

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, 1029711212 + ... + 1029712001.

It is an arithmetic number, because the mean of its divisors is an integer number (123565392840).

Almost surely, 2^813472169135 is an apocalyptic number.

813472169135 is a deficient number, since it is larger than the sum of its proper divisors (175050973585).

813472169135 is a wasteful number, since it uses less digits than its factorization.

813472169135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059423297.

The product of its digits is 1088640, while the sum is 50.

The spelling of 813472169135 in words is "eight hundred thirteen billion, four hundred seventy-two million, one hundred sixty-nine thousand, one hundred thirty-five".