242434134091 has 2 divisors, whose sum is σ = 242434134092. Its totient is φ = 242434134090.

The previous prime is 242434134067. The next prime is 242434134113. The reversal of 242434134091 is 190431434242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242434134091 - 2²³ = 242425745483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242434134091.

It is not a weakly prime, because it can be changed into another prime (242434134001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121217067045 + 121217067046.

It is an arithmetic number, because the mean of its divisors is an integer number (121217067046).

Almost surely, 2^242434134091 is an apocalyptic number.

242434134091 is a deficient number, since it is larger than the sum of its proper divisors (1).

242434134091 is an equidigital number, since it uses as much as digits as its factorization.

242434134091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 242434134091 in words is "two hundred forty-two billion, four hundred thirty-four million, one hundred thirty-four thousand, ninety-one".