799444349281 has 8 divisors (see below), whose sum is σ = 846785325960. Its totient is φ = 752138354688.

The previous prime is 799444349269. The next prime is 799444349299. The reversal of 799444349281 is 182943444997.

It can be written as a sum of positive squares in 4 ways, for example, as 22886848656 + 776557500625 = 151284^2 + 881225^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 799444349281 - 2¹³ = 799444341089 is a prime.

It is a super-2 number, since 2×799444349281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799444349981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8698456 + ... + 8789881.

It is an arithmetic number, because the mean of its divisors is an integer number (105848165745).

Almost surely, 2^799444349281 is an apocalyptic number.

It is an amenable number.

799444349281 is a deficient number, since it is larger than the sum of its proper divisors (47340976679).

799444349281 is a wasteful number, since it uses less digits than its factorization.

799444349281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17491043.

The product of its digits is 62705664, while the sum is 64.

The spelling of 799444349281 in words is "seven hundred ninety-nine billion, four hundred forty-four million, three hundred forty-nine thousand, two hundred eighty-one".