270191423917 has 2 divisors, whose sum is σ = 270191423918. Its totient is φ = 270191423916.

The previous prime is 270191423903. The next prime is 270191423939. The reversal of 270191423917 is 719324191072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269289382761 + 902041156 = 518931^2 + 30034^2 .

It is a cyclic number.

It is not a de Polignac number, because 270191423917 - 2²⁷ = 270057206189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270191423317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135095711958 + 135095711959.

It is an arithmetic number, because the mean of its divisors is an integer number (135095711959).

Almost surely, 2^270191423917 is an apocalyptic number.

It is an amenable number.

270191423917 is a deficient number, since it is larger than the sum of its proper divisors (1).

270191423917 is an equidigital number, since it uses as much as digits as its factorization.

270191423917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 270191423917 in words is "two hundred seventy billion, one hundred ninety-one million, four hundred twenty-three thousand, nine hundred seventeen".