6780290194 has 8 divisors (see below), whose sum is σ = 10170796860. Its totient is φ = 3390024576.

The previous prime is 6780290177. The next prime is 6780290243. The reversal of 6780290194 is 4910920876.

It can be written as a sum of positive squares in 2 ways, for example, as 6164605225 + 615684969 = 78515^2 + 24813^2 .

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

It is a super-2 number, since 2×6780290194² = 91944670229705115272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51562 + ... + 127354.

Almost surely, 2^6780290194 is an apocalyptic number.

6780290194 is a deficient number, since it is larger than the sum of its proper divisors (3390506666).

6780290194 is a wasteful number, since it uses less digits than its factorization.

6780290194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120524.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 6780290194 is about 82342.5175349892. The cubic root of 6780290194 is about 1892.7042644617.

The spelling of 6780290194 in words is "six billion, seven hundred eighty million, two hundred ninety thousand, one hundred ninety-four".