3516220398241 has 2 divisors, whose sum is σ = 3516220398242. Its totient is φ = 3516220398240.

The previous prime is 3516220398209. The next prime is 3516220398283. The reversal of 3516220398241 is 1428930226153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3043179069841 + 473041328400 = 1744471^2 + 687780^2 .

It is an emirp because it is prime and its reverse (1428930226153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3516220398241 - 2⁵ = 3516220398209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3516220398191 and 3516220398200.

It is not a weakly prime, because it can be changed into another prime (3516220393241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1758110199120 + 1758110199121.

It is an arithmetic number, because the mean of its divisors is an integer number (1758110199121).

Almost surely, 2^{3516220398241} is an apocalyptic number.

It is an amenable number.

3516220398241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3516220398241 is an equidigital number, since it uses as much as digits as its factorization.

3516220398241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 3516220398241 in words is "three trillion, five hundred sixteen billion, two hundred twenty million, three hundred ninety-eight thousand, two hundred forty-one".