2863163521 has 2 divisors, whose sum is σ = 2863163522. Its totient is φ = 2863163520.

The previous prime is 2863163519. The next prime is 2863163549. The reversal of 2863163521 is 1253613682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690854400 + 1172309121 = 41120^2 + 34239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863163521 - 2¹ = 2863163519 is a prime.

Together with 2863163519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2863163551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431581760 + 1431581761.

It is an arithmetic number, because the mean of its divisors is an integer number (1431581761).

Almost surely, 2^2863163521 is an apocalyptic number.

It is an amenable number.

2863163521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863163521 is an equidigital number, since it uses as much as digits as its factorization.

2863163521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 2863163521 is about 53508.5368983305. The cubic root of 2863163521 is about 1419.9794219394.

The spelling of 2863163521 in words is "two billion, eight hundred sixty-three million, one hundred sixty-three thousand, five hundred twenty-one".