243112024743461 has 4 divisors (see below), whose sum is σ = 243112077819072. Its totient is φ = 243111971667852.

The previous prime is 243112024743443. The next prime is 243112024743473. The reversal of 243112024743461 is 164347420211342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243112024743461 - 2²⁶ = 243111957634597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243112024743481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18942461 + ... + 29069586.

It is an arithmetic number, because the mean of its divisors is an integer number (60778019454768).

Almost surely, 2^{243112024743461} is an apocalyptic number.

It is an amenable number.

243112024743461 is a deficient number, since it is larger than the sum of its proper divisors (53075611).

243112024743461 is an equidigital number, since it uses as much as digits as its factorization.

243112024743461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53075610.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 243112024743461 in words is "two hundred forty-three trillion, one hundred twelve billion, twenty-four million, seven hundred forty-three thousand, four hundred sixty-one".