4289916485641 has 2 divisors, whose sum is σ = 4289916485642. Its totient is φ = 4289916485640.

The previous prime is 4289916485627. The next prime is 4289916485683. The reversal of 4289916485641 is 1465846199824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3528086022400 + 761830463241 = 1878320^2 + 872829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4289916485641 is a prime.

It is not a weakly prime, because it can be changed into another prime (4289916485941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2144958242820 + 2144958242821.

It is an arithmetic number, because the mean of its divisors is an integer number (2144958242821).

Almost surely, 2^{4289916485641} is an apocalyptic number.

It is an amenable number.

4289916485641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4289916485641 is an equidigital number, since it uses as much as digits as its factorization.

4289916485641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119439360, while the sum is 67.

The spelling of 4289916485641 in words is "four trillion, two hundred eighty-nine billion, nine hundred sixteen million, four hundred eighty-five thousand, six hundred forty-one".