271423208557 has 2 divisors, whose sum is σ = 271423208558. Its totient is φ = 271423208556.

The previous prime is 271423208549. The next prime is 271423208593. The reversal of 271423208557 is 755802324172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222584860521 + 48838348036 = 471789^2 + 220994^2 .

It is a cyclic number.

It is not a de Polignac number, because 271423208557 - 2³ = 271423208549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271423208527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135711604278 + 135711604279.

It is an arithmetic number, because the mean of its divisors is an integer number (135711604279).

Almost surely, 2^271423208557 is an apocalyptic number.

It is an amenable number.

271423208557 is a deficient number, since it is larger than the sum of its proper divisors (1).

271423208557 is an equidigital number, since it uses as much as digits as its factorization.

271423208557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 271423208557 in words is "two hundred seventy-one billion, four hundred twenty-three million, two hundred eight thousand, five hundred fifty-seven".