3518987873 has 2 divisors, whose sum is σ = 3518987874. Its totient is φ = 3518987872.

The previous prime is 3518987867. The next prime is 3518987887. The reversal of 3518987873 is 3787898153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1971981649 + 1547006224 = 44407^2 + 39332^2 .

It is a cyclic number.

It is not a de Polignac number, because 3518987873 - 2¹² = 3518983777 is a prime.

It is not a weakly prime, because it can be changed into another prime (3518983873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1759493936 + 1759493937.

It is an arithmetic number, because the mean of its divisors is an integer number (1759493937).

Almost surely, 2^3518987873 is an apocalyptic number.

It is an amenable number.

3518987873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3518987873 is an equidigital number, since it uses as much as digits as its factorization.

3518987873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 59.

The square root of 3518987873 is about 59321.0575849757. The cubic root of 3518987873 is about 1521.0351721894.

The spelling of 3518987873 in words is "three billion, five hundred eighteen million, nine hundred eighty-seven thousand, eight hundred seventy-three".