713224272821 has 2 divisors, whose sum is σ = 713224272822. Its totient is φ = 713224272820.

The previous prime is 713224272757. The next prime is 713224272829. The reversal of 713224272821 is 128272422317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546401856100 + 166822416721 = 739190^2 + 408439^2 .

It is a cyclic number.

It is not a de Polignac number, because 713224272821 - 2⁶ = 713224272757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713224272829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356612136410 + 356612136411.

It is an arithmetic number, because the mean of its divisors is an integer number (356612136411).

Almost surely, 2^713224272821 is an apocalyptic number.

It is an amenable number.

713224272821 is a deficient number, since it is larger than the sum of its proper divisors (1).

713224272821 is an equidigital number, since it uses as much as digits as its factorization.

713224272821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The spelling of 713224272821 in words is "seven hundred thirteen billion, two hundred twenty-four million, two hundred seventy-two thousand, eight hundred twenty-one".