8263764898553 has 2 divisors, whose sum is σ = 8263764898554. Its totient is φ = 8263764898552.

The previous prime is 8263764898531. The next prime is 8263764898561. The reversal of 8263764898553 is 3558984673628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5792917295104 + 2470847603449 = 2406848^2 + 1571893^2 .

It is a cyclic number.

It is not a de Polignac number, because 8263764898553 - 2⁶ = 8263764898489 is a prime.

It is not a weakly prime, because it can be changed into another prime (8263764898573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4131882449276 + 4131882449277.

It is an arithmetic number, because the mean of its divisors is an integer number (4131882449277).

Almost surely, 2^{8263764898553} is an apocalyptic number.

It is an amenable number.

8263764898553 is a deficient number, since it is larger than the sum of its proper divisors (1).

8263764898553 is an equidigital number, since it uses as much as digits as its factorization.

8263764898553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2090188800, while the sum is 74.

The spelling of 8263764898553 in words is "eight trillion, two hundred sixty-three billion, seven hundred sixty-four million, eight hundred ninety-eight thousand, five hundred fifty-three".