243771747434 has 16 divisors (see below), whose sum is σ = 366379954272. Its totient is φ = 121645183248.

The previous prime is 243771747419. The next prime is 243771747463. The reversal of 243771747434 is 434747177342.

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, 6526817 + ... + 6564059.

It is an arithmetic number, because the mean of its divisors is an integer number (22898747142).

Almost surely, 2^243771747434 is an apocalyptic number.

243771747434 is a deficient number, since it is larger than the sum of its proper divisors (122608206838).

243771747434 is a wasteful number, since it uses less digits than its factorization.

243771747434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43621.

The product of its digits is 11063808, while the sum is 53.

The spelling of 243771747434 in words is "two hundred forty-three billion, seven hundred seventy-one million, seven hundred forty-seven thousand, four hundred thirty-four".