6461867194 has 8 divisors (see below), whose sum is σ = 9829319328. Its totient is φ = 3185427420.

The previous prime is 6461867179. The next prime is 6461867221. The reversal of 6461867194 is 4917681646.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22752912 + ... + 22753195.

It is an arithmetic number, because the mean of its divisors is an integer number (1228664916).

Almost surely, 2^6461867194 is an apocalyptic number.

6461867194 is a deficient number, since it is larger than the sum of its proper divisors (3367452134).

6461867194 is a wasteful number, since it uses less digits than its factorization.

6461867194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45506180.

The product of its digits is 1741824, while the sum is 52.

The square root of 6461867194 is about 80385.7399916179. The cubic root of 6461867194 is about 1862.5989023287.

The spelling of 6461867194 in words is "six billion, four hundred sixty-one million, eight hundred sixty-seven thousand, one hundred ninety-four".