243428822998 has 4 divisors (see below), whose sum is σ = 365143234500. Its totient is φ = 121714411498.

The previous prime is 243428822969. The next prime is 243428822999. The reversal of 243428822998 is 899228824342.

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

It is a super-2 number, since 2×243428822998² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243428822999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60857205748 + ... + 60857205751.

It is an arithmetic number, because the mean of its divisors is an integer number (91285808625).

Almost surely, 2^243428822998 is an apocalyptic number.

243428822998 is a deficient number, since it is larger than the sum of its proper divisors (121714411502).

243428822998 is a wasteful number, since it uses less digits than its factorization.

243428822998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121714411501.

The product of its digits is 31850496, while the sum is 61.

The spelling of 243428822998 in words is "two hundred forty-three billion, four hundred twenty-eight million, eight hundred twenty-two thousand, nine hundred ninety-eight".