3518532521898 has 16 divisors (see below), whose sum is σ = 7099339957056. Its totient is φ = 1162465021760.

The previous prime is 3518532521897. The next prime is 3518532521899. The reversal of 3518532521898 is 8981252358153.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3518532521897) and next prime (3518532521899).

It is a super-2 number, since 2×3518532521898² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3518532521897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594787318 + ... + 2594788673.

It is an arithmetic number, because the mean of its divisors is an integer number (443708747316).

Almost surely, 2^{3518532521898} is an apocalyptic number.

3518532521898 is an abundant number, since it is smaller than the sum of its proper divisors (3580807435158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3518532521898 is a wasteful number, since it uses less digits than its factorization.

3518532521898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189576109.

The product of its digits is 20736000, while the sum is 60.

The spelling of 3518532521898 in words is "three trillion, five hundred eighteen billion, five hundred thirty-two million, five hundred twenty-one thousand, eight hundred ninety-eight".