814623713 has 4 divisors (see below), whose sum is σ = 815359380. Its totient is φ = 813888048.

The previous prime is 814623643. The next prime is 814623739. The reversal of 814623713 is 317326418.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 228402769 + 586220944 = 15113^2 + 24212^2 .

It is a cyclic number.

It is not a de Polignac number, because 814623713 - 2⁸ = 814623457 is a prime.

It is a super-2 number, since 2×814623713² = 1327223587563812738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814623013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366170 + ... + 368387.

It is an arithmetic number, because the mean of its divisors is an integer number (203839845).

Almost surely, 2^814623713 is an apocalyptic number.

It is an amenable number.

814623713 is a deficient number, since it is larger than the sum of its proper divisors (735667).

814623713 is a wasteful number, since it uses less digits than its factorization.

814623713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735666.

The product of its digits is 24192, while the sum is 35.

The square root of 814623713 is about 28541.6137070068. The cubic root of 814623713 is about 933.9400852181.

The spelling of 814623713 in words is "eight hundred fourteen million, six hundred twenty-three thousand, seven hundred thirteen".