713823904161 has 9 divisors (see below), whose sum is σ = 1031082633841. Its totient is φ = 475880913012.

The previous prime is 713823904153. The next prime is 713823904177. The reversal of 713823904161 is 161409328317.

The square root of 713823904161 is 844881.

It is a perfect power (a square), and thus also a powerful number.

713823904161 is a `hidden beast` number, since 71 + 3 + 82 + 3 + 90 + 416 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 713823904161 - 2³ = 713823904153 is a prime.

It is a super-2 number, since 2×713823904161² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713823904111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2393830 + ... + 2675456.

Almost surely, 2^713823904161 is an apocalyptic number.

713823904161 is the 844881-st square number.

713823904161 is the 422441-st centered octagonal number.

It is an amenable number.

713823904161 is a deficient number, since it is larger than the sum of its proper divisors (317258729680).

713823904161 is an frugal number, since it uses more digits than its factorization.

713823904161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563260 (or 281630 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

It can be divided in two parts, 713823 and 904161, that added together give a square (1617984 = 1272²).

The spelling of 713823904161 in words is "seven hundred thirteen billion, eight hundred twenty-three million, nine hundred four thousand, one hundred sixty-one".