8497139541 has 32 divisors (see below), whose sum is σ = 12633643008. Its totient is φ = 5035741440.

The previous prime is 8497139513. The next prime is 8497139561. The reversal of 8497139541 is 1459317948.

It is not a de Polignac number, because 8497139541 - 2⁶ = 8497139477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8497139561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2754586 + ... + 2757668.

It is an arithmetic number, because the mean of its divisors is an integer number (394801344).

Almost surely, 2^8497139541 is an apocalyptic number.

It is an amenable number.

8497139541 is a deficient number, since it is larger than the sum of its proper divisors (4136503467).

8497139541 is a wasteful number, since it uses less digits than its factorization.

8497139541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921.

The product of its digits is 1088640, while the sum is 51.

The square root of 8497139541 is about 92179.9302505703. The cubic root of 8497139541 is about 2040.5985957233.

The spelling of 8497139541 in words is "eight billion, four hundred ninety-seven million, one hundred thirty-nine thousand, five hundred forty-one".