6172838894450 has 12 divisors (see below), whose sum is σ = 11481480343770. Its totient is φ = 2469135557760.

The previous prime is 6172838894401. The next prime is 6172838894459. The reversal of 6172838894450 is 544988382716.

It can be written as a sum of positive squares in 3 ways, for example, as 5189871740641 + 982967153809 = 2278129^2 + 991447^2 .

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 61728388895 + ... + 61728388994.

It is a 2-persistent number, because it is pandigital, and so is 2⋅6172838894450 = 12345677788900, but 3⋅6172838894450 = 18518516683350 is not.

Almost surely, 2^{6172838894450} is an apocalyptic number.

6172838894450 is a deficient number, since it is larger than the sum of its proper divisors (5308641449320).

6172838894450 is a wasteful number, since it uses less digits than its factorization.

6172838894450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123456777901 (or 123456777896 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 65.

The spelling of 6172838894450 in words is "six trillion, one hundred seventy-two billion, eight hundred thirty-eight million, eight hundred ninety-four thousand, four hundred fifty".