3518532521897 has 2 divisors, whose sum is σ = 3518532521898. Its totient is φ = 3518532521896.

The previous prime is 3518532521837. The next prime is 3518532521899. The reversal of 3518532521897 is 7981252358153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2491611738256 + 1026920783641 = 1578484^2 + 1013371^2 .

It is a cyclic number.

It is not a de Polignac number, because 3518532521897 - 2²⁰ = 3518531473321 is a prime.

It is a super-2 number, since 2×3518532521897² (a number of 26 digits) contains 22 as substring.

Together with 3518532521899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3518532521899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1759266260948 + 1759266260949.

It is an arithmetic number, because the mean of its divisors is an integer number (1759266260949).

Almost surely, 2^{3518532521897} is an apocalyptic number.

It is an amenable number.

3518532521897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3518532521897 is an equidigital number, since it uses as much as digits as its factorization.

3518532521897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144000, while the sum is 59.

The spelling of 3518532521897 in words is "three trillion, five hundred eighteen billion, five hundred thirty-two million, five hundred twenty-one thousand, eight hundred ninety-seven".