438799722299 has 4 divisors (see below), whose sum is σ = 438827745864. Its totient is φ = 438771698736.

The previous prime is 438799722287. The next prime is 438799722353. The reversal of 438799722299 is 992227997834.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438799722299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438799122299) 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, 13988282 + ... + 14019615.

It is an arithmetic number, because the mean of its divisors is an integer number (109706936466).

Almost surely, 2^438799722299 is an apocalyptic number.

438799722299 is a deficient number, since it is larger than the sum of its proper divisors (28023565).

438799722299 is a wasteful number, since it uses less digits than its factorization.

438799722299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28023564.

The product of its digits is 246903552, while the sum is 71.

The spelling of 438799722299 in words is "four hundred thirty-eight billion, seven hundred ninety-nine million, seven hundred twenty-two thousand, two hundred ninety-nine".