243452141461 has 2 divisors, whose sum is σ = 243452141462. Its totient is φ = 243452141460.

The previous prime is 243452141423. The next prime is 243452141489. The reversal of 243452141461 is 164141254342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147905622225 + 95546519236 = 384585^2 + 309106^2 .

It is a cyclic number.

It is not a de Polignac number, because 243452141461 - 2⁷ = 243452141333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243452141461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243452141411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121726070730 + 121726070731.

It is an arithmetic number, because the mean of its divisors is an integer number (121726070731).

Almost surely, 2^243452141461 is an apocalyptic number.

It is an amenable number.

243452141461 is a deficient number, since it is larger than the sum of its proper divisors (1).

243452141461 is an equidigital number, since it uses as much as digits as its factorization.

243452141461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 37.

The spelling of 243452141461 in words is "two hundred forty-three billion, four hundred fifty-two million, one hundred forty-one thousand, four hundred sixty-one".