2678204193 has 8 divisors (see below), whose sum is σ = 4081073088. Its totient is φ = 1530402384.

The previous prime is 2678204183. The next prime is 2678204197. The reversal of 2678204193 is 3914028762.

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

It is not a de Polignac number, because 2678204193 - 2²² = 2674009889 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2678204197) 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, 63766746 + ... + 63766787.

It is an arithmetic number, because the mean of its divisors is an integer number (510134136).

Almost surely, 2^2678204193 is an apocalyptic number.

It is an amenable number.

2678204193 is a deficient number, since it is larger than the sum of its proper divisors (1402868895).

2678204193 is a wasteful number, since it uses less digits than its factorization.

2678204193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127533543.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2678204193 is about 51751.3689963850. The cubic root of 2678204193 is about 1388.7195898404.

The spelling of 2678204193 in words is "two billion, six hundred seventy-eight million, two hundred four thousand, one hundred ninety-three".