243974087089848 has 128 divisors (see below), whose sum is σ = 711424348416000. Its totient is φ = 77367397639680.

The previous prime is 243974087089807. The next prime is 243974087089933. The reversal of 243974087089848 is 848980780479342.

243974087089848 is a `hidden beast` number, since 2 + 4 + 3 + 97 + 408 + 7 + 0 + 89 + 8 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308382865 + ... + 309172992.

It is an arithmetic number, because the mean of its divisors is an integer number (5558002722000).

Almost surely, 2^{243974087089848} is an apocalyptic number.

It is an amenable number.

243974087089848 is an abundant number, since it is smaller than the sum of its proper divisors (467450261326152).

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

243974087089848 is a wasteful number, since it uses less digits than its factorization.

243974087089848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617555962 (or 617555952 counting only the distinct ones).

The product of its (nonzero) digits is 6242697216, while the sum is 81.

The spelling of 243974087089848 in words is "two hundred forty-three trillion, nine hundred seventy-four billion, eighty-seven million, eighty-nine thousand, eight hundred forty-eight".