243055413061 has 2 divisors, whose sum is σ = 243055413062. Its totient is φ = 243055413060.

The previous prime is 243055413043. The next prime is 243055413077. The reversal of 243055413061 is 160314550342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243054916036 + 497025 = 493006^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 243055413061 - 2⁷ = 243055412933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243055413011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121527706530 + 121527706531.

It is an arithmetic number, because the mean of its divisors is an integer number (121527706531).

Almost surely, 2^243055413061 is an apocalyptic number.

It is an amenable number.

243055413061 is a deficient number, since it is larger than the sum of its proper divisors (1).

243055413061 is an equidigital number, since it uses as much as digits as its factorization.

243055413061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 243055413061 in words is "two hundred forty-three billion, fifty-five million, four hundred thirteen thousand, sixty-one".