5266232313721 has 2 divisors, whose sum is σ = 5266232313722. Its totient is φ = 5266232313720.

The previous prime is 5266232313623. The next prime is 5266232313733. The reversal of 5266232313721 is 1273132326625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4301144166400 + 965088147321 = 2073920^2 + 982389^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266232313721 - 2³¹ = 5264084830073 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266232313761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633116156860 + 2633116156861.

It is an arithmetic number, because the mean of its divisors is an integer number (2633116156861).

Almost surely, 2^{5266232313721} is an apocalyptic number.

It is an amenable number.

5266232313721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266232313721 is an equidigital number, since it uses as much as digits as its factorization.

5266232313721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 43.

The spelling of 5266232313721 in words is "five trillion, two hundred sixty-six billion, two hundred thirty-two million, three hundred thirteen thousand, seven hundred twenty-one".