2104520863 has 2 divisors, whose sum is σ = 2104520864. Its totient is φ = 2104520862.

The previous prime is 2104520843. The next prime is 2104520881. The reversal of 2104520863 is 3680254012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2104520863 - 2²⁵ = 2070966431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104520813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052260431 + 1052260432.

It is an arithmetic number, because the mean of its divisors is an integer number (1052260432).

Almost surely, 2^2104520863 is an apocalyptic number.

2104520863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104520863 is an equidigital number, since it uses as much as digits as its factorization.

2104520863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2104520863 is about 45875.0570898827. The cubic root of 2104520863 is about 1281.4974464993.

Adding to 2104520863 its reverse (3680254012), we get a palindrome (5784774875).

The spelling of 2104520863 in words is "two billion, one hundred four million, five hundred twenty thousand, eight hundred sixty-three".