243414404351 has 2 divisors, whose sum is σ = 243414404352. Its totient is φ = 243414404350.

The previous prime is 243414404309. The next prime is 243414404377. The reversal of 243414404351 is 153404414342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243414404351 - 2³⁰ = 242340662527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243414404381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121707202175 + 121707202176.

It is an arithmetic number, because the mean of its divisors is an integer number (121707202176).

Almost surely, 2^243414404351 is an apocalyptic number.

243414404351 is a deficient number, since it is larger than the sum of its proper divisors (1).

243414404351 is an equidigital number, since it uses as much as digits as its factorization.

243414404351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 243414404351 its reverse (153404414342), we get a palindrome (396818818693).

Subtracting from 243414404351 its reverse (153404414342), we obtain a palindrome (90009990009).

The spelling of 243414404351 in words is "two hundred forty-three billion, four hundred fourteen million, four hundred four thousand, three hundred fifty-one".