243120637244270 has 16 divisors (see below), whose sum is σ = 438279200224128. Its totient is φ = 97101131967840.

The previous prime is 243120637244249. The next prime is 243120637244293. The reversal of 243120637244270 is 72442736021342.

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, 18390359294 + ... + 18390372513.

It is an arithmetic number, because the mean of its divisors is an integer number (27392450014008).

Almost surely, 2^{243120637244270} is an apocalyptic number.

243120637244270 is a deficient number, since it is larger than the sum of its proper divisors (195158562979858).

243120637244270 is a wasteful number, since it uses less digits than its factorization.

243120637244270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36780732475.

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 243120637244270 in words is "two hundred forty-three trillion, one hundred twenty billion, six hundred thirty-seven million, two hundred forty-four thousand, two hundred seventy".