243051221414 has 4 divisors (see below), whose sum is σ = 364576832124. Its totient is φ = 121525610706.

The previous prime is 243051221389. The next prime is 243051221449. The reversal of 243051221414 is 414122150342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414122150342 = 2 ⋅207061075171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60762805352 + ... + 60762805355.

It is an arithmetic number, because the mean of its divisors is an integer number (91144208031).

Almost surely, 2^243051221414 is an apocalyptic number.

243051221414 is a deficient number, since it is larger than the sum of its proper divisors (121525610710).

243051221414 is a wasteful number, since it uses less digits than its factorization.

243051221414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121525610709.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 243051221414 its reverse (414122150342), we get a palindrome (657173371756).

The spelling of 243051221414 in words is "two hundred forty-three billion, fifty-one million, two hundred twenty-one thousand, four hundred fourteen".