6859590042 has 16 divisors (see below), whose sum is σ = 13951709280. Its totient is φ = 2247775152.

The previous prime is 6859590019. The next prime is 6859590043. The reversal of 6859590042 is 2400959586.

It is a junction number, because it is equal to n+sod(n) for n = 6859589973 and 6859590000.

It is not an unprimeable number, because it can be changed into a prime (6859590043) 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, 9688333 + ... + 9689040.

It is an arithmetic number, because the mean of its divisors is an integer number (871981830).

Almost surely, 2^6859590042 is an apocalyptic number.

6859590042 is an abundant number, since it is smaller than the sum of its proper divisors (7092119238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6859590042 is a wasteful number, since it uses less digits than its factorization.

6859590042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19377437.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 6859590042 is about 82822.6420853621. The cubic root of 6859590042 is about 1900.0544806169.

The spelling of 6859590042 in words is "six billion, eight hundred fifty-nine million, five hundred ninety thousand, forty-two".