3315521999989 has 2 divisors, whose sum is σ = 3315521999990. Its totient is φ = 3315521999988.

The previous prime is 3315521999971. The next prime is 3315522000031. The reversal of 3315521999989 is 9899991255133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2416501340100 + 899020659889 = 1554510^2 + 948167^2 .

It is a cyclic number.

It is not a de Polignac number, because 3315521999989 - 2²⁵ = 3315488445557 is a prime.

It is a super-2 number, since 2×3315521999989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3315521999689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657760999994 + 1657760999995.

It is an arithmetic number, because the mean of its divisors is an integer number (1657760999995).

Almost surely, 2^{3315521999989} is an apocalyptic number.

It is an amenable number.

3315521999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3315521999989 is an equidigital number, since it uses as much as digits as its factorization.

3315521999989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 212576400, while the sum is 73.

The spelling of 3315521999989 in words is "three trillion, three hundred fifteen billion, five hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred eighty-nine".