7947274910009 has 2 divisors, whose sum is σ = 7947274910010. Its totient is φ = 7947274910008.

The previous prime is 7947274909999. The next prime is 7947274910039. The reversal of 7947274910009 is 9000194727497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6517987711225 + 1429287198784 = 2553035^2 + 1195528^2 .

It is a cyclic number.

It is not a de Polignac number, because 7947274910009 - 2⁸ = 7947274909753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7947274910009.

It is not a weakly prime, because it can be changed into another prime (7947274910039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3973637455004 + 3973637455005.

It is an arithmetic number, because the mean of its divisors is an integer number (3973637455005).

Almost surely, 2^{7947274910009} is an apocalyptic number.

It is an amenable number.

7947274910009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7947274910009 is an equidigital number, since it uses as much as digits as its factorization.

7947274910009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 7947274910009 in words is "seven trillion, nine hundred forty-seven billion, two hundred seventy-four million, nine hundred ten thousand, nine".