243767673942 has 16 divisors (see below), whose sum is σ = 525038067120. Its totient is φ = 75005438112.

The previous prime is 243767673913. The next prime is 243767673953. The reversal of 243767673942 is 249376767342.

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, 1562613217 + ... + 1562613372.

It is an arithmetic number, because the mean of its divisors is an integer number (32814879195).

Almost surely, 2^243767673942 is an apocalyptic number.

243767673942 is an abundant number, since it is smaller than the sum of its proper divisors (281270393178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243767673942 is a wasteful number, since it uses less digits than its factorization.

243767673942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125226607.

The product of its digits is 64012032, while the sum is 60.

The spelling of 243767673942 in words is "two hundred forty-three billion, seven hundred sixty-seven million, six hundred seventy-three thousand, nine hundred forty-two".