243734517422 has 16 divisors (see below), whose sum is σ = 399143503872. Its totient is φ = 110703638520.

The previous prime is 243734517391. The next prime is 243734517449. The reversal of 243734517422 is 224715437342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4209518 + ... + 4267025.

It is an arithmetic number, because the mean of its divisors is an integer number (24946468992).

Almost surely, 2^243734517422 is an apocalyptic number.

243734517422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243734517422 is a deficient number, since it is larger than the sum of its proper divisors (155408986450).

243734517422 is a wasteful number, since it uses less digits than its factorization.

243734517422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477863.

The product of its digits is 1128960, while the sum is 44.

The spelling of 243734517422 in words is "two hundred forty-three billion, seven hundred thirty-four million, five hundred seventeen thousand, four hundred twenty-two".