8536456493 has 2 divisors, whose sum is σ = 8536456494. Its totient is φ = 8536456492.

The previous prime is 8536456457. The next prime is 8536456499. The reversal of 8536456493 is 3946546358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7814029609 + 722426884 = 88397^2 + 26878^2 .

It is a cyclic number.

It is not a de Polignac number, because 8536456493 - 2⁸ = 8536456237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8536456499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4268228246 + 4268228247.

It is an arithmetic number, because the mean of its divisors is an integer number (4268228247).

Almost surely, 2^8536456493 is an apocalyptic number.

It is an amenable number.

8536456493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8536456493 is an equidigital number, since it uses as much as digits as its factorization.

8536456493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 53.

The square root of 8536456493 is about 92392.9461214437. The cubic root of 8536456493 is about 2043.7410920902.

The spelling of 8536456493 in words is "eight billion, five hundred thirty-six million, four hundred fifty-six thousand, four hundred ninety-three".