242151974843 has 2 divisors, whose sum is σ = 242151974844. Its totient is φ = 242151974842.

The previous prime is 242151974803. The next prime is 242151974881. The reversal of 242151974843 is 348479151242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242151974843 - 2⁸ = 242151974587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242151974791 and 242151974800.

It is not a weakly prime, because it can be changed into another prime (242151974803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121075987421 + 121075987422.

It is an arithmetic number, because the mean of its divisors is an integer number (121075987422).

Almost surely, 2^242151974843 is an apocalyptic number.

242151974843 is a deficient number, since it is larger than the sum of its proper divisors (1).

242151974843 is an equidigital number, since it uses as much as digits as its factorization.

242151974843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 50.

The spelling of 242151974843 in words is "two hundred forty-two billion, one hundred fifty-one million, nine hundred seventy-four thousand, eight hundred forty-three".