7312726693 has 2 divisors, whose sum is σ = 7312726694. Its totient is φ = 7312726692.

The previous prime is 7312726649. The next prime is 7312726699. The reversal of 7312726693 is 3966272137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6548370084 + 764356609 = 80922^2 + 27647^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312726693 - 2⁹ = 7312726181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312726699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656363346 + 3656363347.

It is an arithmetic number, because the mean of its divisors is an integer number (3656363347).

Almost surely, 2^7312726693 is an apocalyptic number.

It is an amenable number.

7312726693 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312726693 is an equidigital number, since it uses as much as digits as its factorization.

7312726693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 7312726693 is about 85514.4823582532. The cubic root of 7312726693 is about 1941.0040762783.

The spelling of 7312726693 in words is "seven billion, three hundred twelve million, seven hundred twenty-six thousand, six hundred ninety-three".