7286063272921 has 2 divisors, whose sum is σ = 7286063272922. Its totient is φ = 7286063272920.

The previous prime is 7286063272907. The next prime is 7286063272931. The reversal of 7286063272921 is 1292723606827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3789952368400 + 3496110904521 = 1946780^2 + 1869789^2 .

It is an emirp because it is prime and its reverse (1292723606827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7286063272921 - 2⁹ = 7286063272409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7286063272931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3643031636460 + 3643031636461.

It is an arithmetic number, because the mean of its divisors is an integer number (3643031636461).

Almost surely, 2^{7286063272921} is an apocalyptic number.

It is an amenable number.

7286063272921 is a deficient number, since it is larger than the sum of its proper divisors (1).

7286063272921 is an equidigital number, since it uses as much as digits as its factorization.

7286063272921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 7286063272921 in words is "seven trillion, two hundred eighty-six billion, sixty-three million, two hundred seventy-two thousand, nine hundred twenty-one".