9212513009647 has 2 divisors, whose sum is σ = 9212513009648. Its totient is φ = 9212513009646.

The previous prime is 9212513009633. The next prime is 9212513009719. The reversal of 9212513009647 is 7469003152129.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9212513009647 - 2⁷ = 9212513009519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9212513009647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9212513009617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4606256504823 + 4606256504824.

It is an arithmetic number, because the mean of its divisors is an integer number (4606256504824).

Almost surely, 2^{9212513009647} is an apocalyptic number.

9212513009647 is a deficient number, since it is larger than the sum of its proper divisors (1).

9212513009647 is an equidigital number, since it uses as much as digits as its factorization.

9212513009647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 9212513009647 in words is "nine trillion, two hundred twelve billion, five hundred thirteen million, nine thousand, six hundred forty-seven".