8649535123 has 2 divisors, whose sum is σ = 8649535124. Its totient is φ = 8649535122.

The previous prime is 8649535121. The next prime is 8649535151. The reversal of 8649535123 is 3215359468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8649535123 - 2¹ = 8649535121 is a prime.

Together with 8649535121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8649535121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324767561 + 4324767562.

It is an arithmetic number, because the mean of its divisors is an integer number (4324767562).

Almost surely, 2^8649535123 is an apocalyptic number.

8649535123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8649535123 is an equidigital number, since it uses as much as digits as its factorization.

8649535123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The square root of 8649535123 is about 93002.8769608769. The cubic root of 8649535123 is about 2052.7257117823.

The spelling of 8649535123 in words is "eight billion, six hundred forty-nine million, five hundred thirty-five thousand, one hundred twenty-three".