17538752453 has 2 divisors, whose sum is σ = 17538752454. Its totient is φ = 17538752452.

The previous prime is 17538752431. The next prime is 17538752471. The reversal of 17538752453 is 35425783571.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13931789089 + 3606963364 = 118033^2 + 60058^2 .

It is a cyclic number.

It is not a de Polignac number, because 17538752453 - 2¹⁰ = 17538751429 is a prime.

It is a super-2 number, since 2×17538752453² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17538742453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8769376226 + 8769376227.

It is an arithmetic number, because the mean of its divisors is an integer number (8769376227).

Almost surely, 2^17538752453 is an apocalyptic number.

It is an amenable number.

17538752453 is a deficient number, since it is larger than the sum of its proper divisors (1).

17538752453 is an equidigital number, since it uses as much as digits as its factorization.

17538752453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528000, while the sum is 50.

The spelling of 17538752453 in words is "seventeen billion, five hundred thirty-eight million, seven hundred fifty-two thousand, four hundred fifty-three".