8542533091 has 2 divisors, whose sum is σ = 8542533092. Its totient is φ = 8542533090.

The previous prime is 8542533071. The next prime is 8542533227. The reversal of 8542533091 is 1903352458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8542533091 - 2⁵ = 8542533059 is a prime.

It is a super-2 number, since 2×8542533091² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8542533061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271266545 + 4271266546.

It is an arithmetic number, because the mean of its divisors is an integer number (4271266546).

Almost surely, 2^8542533091 is an apocalyptic number.

8542533091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8542533091 is an equidigital number, since it uses as much as digits as its factorization.

8542533091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 8542533091 is about 92425.8248056245. The cubic root of 8542533091 is about 2044.2259164989.

The spelling of 8542533091 in words is "eight billion, five hundred forty-two million, five hundred thirty-three thousand, ninety-one".