2279944168417 has 4 divisors (see below), whose sum is σ = 2279992327060. Its totient is φ = 2279896009776.

The previous prime is 2279944168351. The next prime is 2279944168427. The reversal of 2279944168417 is 7148614499722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 154760412816 + 2125183755601 = 393396^2 + 1457801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2279944168417 - 2¹⁹ = 2279943644129 is a prime.

It is a super-2 number, since 2×2279944168417² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279944168427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24008238 + ... + 24103015.

It is an arithmetic number, because the mean of its divisors is an integer number (569998081765).

Almost surely, 2^{2279944168417} is an apocalyptic number.

It is an amenable number.

2279944168417 is a deficient number, since it is larger than the sum of its proper divisors (48158643).

2279944168417 is an equidigital number, since it uses as much as digits as its factorization.

2279944168417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48158642.

The product of its digits is 48771072, while the sum is 64.

The spelling of 2279944168417 in words is "two trillion, two hundred seventy-nine billion, nine hundred forty-four million, one hundred sixty-eight thousand, four hundred seventeen".