6172278339445 has 16 divisors (see below), whose sum is σ = 7410444330240. Its totient is φ = 4935349759744.

The previous prime is 6172278339439. The next prime is 6172278339457. The reversal of 6172278339445 is 5449338722716.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6172278339445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86710989 + ... + 86782141.

It is an arithmetic number, because the mean of its divisors is an integer number (463152770640).

Almost surely, 2^{6172278339445} is an apocalyptic number.

It is an amenable number.

6172278339445 is a deficient number, since it is larger than the sum of its proper divisors (1238165990795).

6172278339445 is a wasteful number, since it uses less digits than its factorization.

6172278339445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79604.

The product of its digits is 60963840, while the sum is 61.

The spelling of 6172278339445 in words is "six trillion, one hundred seventy-two billion, two hundred seventy-eight million, three hundred thirty-nine thousand, four hundred forty-five".