8542874929 has 2 divisors, whose sum is σ = 8542874930. Its totient is φ = 8542874928.

The previous prime is 8542874927. The next prime is 8542874933. The reversal of 8542874929 is 9294782458.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6212592400 + 2330282529 = 78820^2 + 48273^2 .

It is a cyclic number.

It is not a de Polignac number, because 8542874929 - 2¹ = 8542874927 is a prime.

Together with 8542874927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8542874927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271437464 + 4271437465.

It is an arithmetic number, because the mean of its divisors is an integer number (4271437465).

Almost surely, 2^8542874929 is an apocalyptic number.

It is an amenable number.

8542874929 is a deficient number, since it is larger than the sum of its proper divisors (1).

8542874929 is an equidigital number, since it uses as much as digits as its factorization.

8542874929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 58.

The square root of 8542874929 is about 92427.6740430051. The cubic root of 8542874929 is about 2044.2531833830.

The spelling of 8542874929 in words is "eight billion, five hundred forty-two million, eight hundred seventy-four thousand, nine hundred twenty-nine".