7215793578673 has 2 divisors, whose sum is σ = 7215793578674. Its totient is φ = 7215793578672.

The previous prime is 7215793578629. The next prime is 7215793578677. The reversal of 7215793578673 is 3768753975127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4569406438689 + 2646387139984 = 2137617^2 + 1626772^2 .

It is a cyclic number.

It is not a de Polignac number, because 7215793578673 - 2¹³ = 7215793570481 is a prime.

It is not a weakly prime, because it can be changed into another prime (7215793578677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607896789336 + 3607896789337.

It is an arithmetic number, because the mean of its divisors is an integer number (3607896789337).

Almost surely, 2^{7215793578673} is an apocalyptic number.

It is an amenable number.

7215793578673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7215793578673 is an equidigital number, since it uses as much as digits as its factorization.

7215793578673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466754400, while the sum is 70.

The spelling of 7215793578673 in words is "seven trillion, two hundred fifteen billion, seven hundred ninety-three million, five hundred seventy-eight thousand, six hundred seventy-three".