7564500322117 has 2 divisors, whose sum is σ = 7564500322118. Its totient is φ = 7564500322116.

The previous prime is 7564500322033. The next prime is 7564500322129. The reversal of 7564500322117 is 7112230054657.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7533317706721 + 31182615396 = 2744689^2 + 176586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7564500322117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7564500322147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3782250161058 + 3782250161059.

It is an arithmetic number, because the mean of its divisors is an integer number (3782250161059).

Almost surely, 2^{7564500322117} is an apocalyptic number.

It is an amenable number.

7564500322117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7564500322117 is an equidigital number, since it uses as much as digits as its factorization.

7564500322117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 7564500322117 in words is "seven trillion, five hundred sixty-four billion, five hundred million, three hundred twenty-two thousand, one hundred seventeen".