6859493949587 has 8 divisors (see below), whose sum is σ = 6870575952240. Its totient is φ = 6848420735520.

The previous prime is 6859493949521. The next prime is 6859493949589. The reversal of 6859493949587 is 7859493949586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6859493949587 - 2²⁶ = 6859426840723 is a prime.

It is a super-3 number, since 3×6859493949587³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6859493949499 and 6859493949508.

It is not an unprimeable number, because it can be changed into a prime (6859493949589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633989 + ... + 3757782.

It is an arithmetic number, because the mean of its divisors is an integer number (858821994030).

Almost surely, 2^{6859493949587} is an apocalyptic number.

6859493949587 is a deficient number, since it is larger than the sum of its proper divisors (11082002653).

6859493949587 is a wasteful number, since it uses less digits than its factorization.

6859493949587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394293.

The product of its digits is 21163161600, while the sum is 86.

Subtracting 6859493949587 from its reverse (7859493949586), we obtain a palindrome (999999999999).

The spelling of 6859493949587 in words is "six trillion, eight hundred fifty-nine billion, four hundred ninety-three million, nine hundred forty-nine thousand, five hundred eighty-seven".