6172838894451 has 4 divisors (see below), whose sum is σ = 8230451859272. Its totient is φ = 4115225929632.

The previous prime is 6172838894401. The next prime is 6172838894459. The reversal of 6172838894451 is 1544988382716.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6172838894451 - 2¹³ = 6172838886259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6172838894459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028806482406 + ... + 1028806482411.

It is an arithmetic number, because the mean of its divisors is an integer number (2057612964818).

Almost surely, 2^{6172838894451} is an apocalyptic number.

6172838894451 is a deficient number, since it is larger than the sum of its proper divisors (2057612964821).

6172838894451 is a wasteful number, since it uses less digits than its factorization.

6172838894451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057612964820.

The product of its digits is 92897280, while the sum is 66.

The spelling of 6172838894451 in words is "six trillion, one hundred seventy-two billion, eight hundred thirty-eight million, eight hundred ninety-four thousand, four hundred fifty-one".