6897017480539 has 4 divisors (see below), whose sum is σ = 6984321499360. Its totient is φ = 6809713461720.

The previous prime is 6897017480491. The next prime is 6897017480597. The reversal of 6897017480539 is 9350847107986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6897017480539 - 2⁷ = 6897017480411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6897017480599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43652009292 + ... + 43652009449.

It is an arithmetic number, because the mean of its divisors is an integer number (1746080374840).

Almost surely, 2^{6897017480539} is an apocalyptic number.

6897017480539 is a deficient number, since it is larger than the sum of its proper divisors (87304018821).

6897017480539 is an equidigital number, since it uses as much as digits as its factorization.

6897017480539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87304018820.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 6897017480539 in words is "six trillion, eight hundred ninety-seven billion, seventeen million, four hundred eighty thousand, five hundred thirty-nine".