9468215538709 has 2 divisors, whose sum is σ = 9468215538710. Its totient is φ = 9468215538708.

The previous prime is 9468215538659. The next prime is 9468215538713. The reversal of 9468215538709 is 9078355128649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7398780804900 + 2069434733809 = 2720070^2 + 1438553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9468215538709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9468215538809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4734107769354 + 4734107769355.

It is an arithmetic number, because the mean of its divisors is an integer number (4734107769355).

It is a 1-persistent number, because it is pandigital, but 2⋅9468215538709 = 18936431077418 is not.

Almost surely, 2^{9468215538709} is an apocalyptic number.

It is an amenable number.

9468215538709 is a deficient number, since it is larger than the sum of its proper divisors (1).

9468215538709 is an equidigital number, since it uses as much as digits as its factorization.

9468215538709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130636800, while the sum is 67.

The spelling of 9468215538709 in words is "nine trillion, four hundred sixty-eight billion, two hundred fifteen million, five hundred thirty-eight thousand, seven hundred nine".