13526517073 has 2 divisors, whose sum is σ = 13526517074. Its totient is φ = 13526517072.

The previous prime is 13526517061. The next prime is 13526517079. The reversal of 13526517073 is 37071562531.

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., 8954458384 + 4572058689 = 94628^2 + 67617^2 .

It is an emirp because it is prime and its reverse (37071562531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13526517073 - 2¹⁷ = 13526386001 is a prime.

It is not a weakly prime, because it can be changed into another prime (13526517079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6763258536 + 6763258537.

It is an arithmetic number, because the mean of its divisors is an integer number (6763258537).

Almost surely, 2^13526517073 is an apocalyptic number.

It is an amenable number.

13526517073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13526517073 is an equidigital number, since it uses as much as digits as its factorization.

13526517073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The spelling of 13526517073 in words is "thirteen billion, five hundred twenty-six million, five hundred seventeen thousand, seventy-three".