8521012463 has 2 divisors, whose sum is σ = 8521012464. Its totient is φ = 8521012462.

The previous prime is 8521012453. The next prime is 8521012499. The reversal of 8521012463 is 3642101258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8521012463 - 2⁶ = 8521012399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8521012453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260506231 + 4260506232.

It is an arithmetic number, because the mean of its divisors is an integer number (4260506232).

Almost surely, 2^8521012463 is an apocalyptic number.

8521012463 is a deficient number, since it is larger than the sum of its proper divisors (1).

8521012463 is an equidigital number, since it uses as much as digits as its factorization.

8521012463 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 32.

The square root of 8521012463 is about 92309.3303138962. The cubic root of 8521012463 is about 2042.5078460817.

The spelling of 8521012463 in words is "eight billion, five hundred twenty-one million, twelve thousand, four hundred sixty-three".