8263139382541 has 2 divisors, whose sum is σ = 8263139382542. Its totient is φ = 8263139382540.

The previous prime is 8263139382457. The next prime is 8263139382559. The reversal of 8263139382541 is 1452839313628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7875016612516 + 388122770025 = 2806246^2 + 622995^2 .

It is a cyclic number.

It is not a de Polignac number, because 8263139382541 - 2¹⁹ = 8263138858253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8263139382241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4131569691270 + 4131569691271.

It is an arithmetic number, because the mean of its divisors is an integer number (4131569691271).

Almost surely, 2^{8263139382541} is an apocalyptic number.

It is an amenable number.

8263139382541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8263139382541 is an equidigital number, since it uses as much as digits as its factorization.

8263139382541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 55.

The spelling of 8263139382541 in words is "eight trillion, two hundred sixty-three billion, one hundred thirty-nine million, three hundred eighty-two thousand, five hundred forty-one".