243032401093 has 2 divisors, whose sum is σ = 243032401094. Its totient is φ = 243032401092.

The previous prime is 243032401043. The next prime is 243032401147. The reversal of 243032401093 is 390104230342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233373049569 + 9659351524 = 483087^2 + 98282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243032401093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243032401033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121516200546 + 121516200547.

It is an arithmetic number, because the mean of its divisors is an integer number (121516200547).

Almost surely, 2^243032401093 is an apocalyptic number.

It is an amenable number.

243032401093 is a deficient number, since it is larger than the sum of its proper divisors (1).

243032401093 is an equidigital number, since it uses as much as digits as its factorization.

243032401093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 243032401093 in words is "two hundred forty-three billion, thirty-two million, four hundred one thousand, ninety-three".