243794497342 has 16 divisors (see below), whose sum is σ = 416281514112. Its totient is φ = 105997607320.

The previous prime is 243794497249. The next prime is 243794497343.

243794497342 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243794497343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240903148 + ... + 240904159.

It is an arithmetic number, because the mean of its divisors is an integer number (26017594632).

Almost surely, 2^243794497342 is an apocalyptic number.

243794497342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243794497342 is a deficient number, since it is larger than the sum of its proper divisors (172487016770).

243794497342 is a wasteful number, since it uses less digits than its factorization.

243794497342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481807343.

The product of its digits is 36578304, while the sum is 58.

The spelling of 243794497342 in words is "two hundred forty-three billion, seven hundred ninety-four million, four hundred ninety-seven thousand, three hundred forty-two".