271220919547 has 2 divisors, whose sum is σ = 271220919548. Its totient is φ = 271220919546.

The previous prime is 271220919523. The next prime is 271220919559. The reversal of 271220919547 is 745919022172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 271220919547 - 2³¹ = 269073435899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 271220919547.

It is not a weakly prime, because it can be changed into another prime (271220911547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135610459773 + 135610459774.

It is an arithmetic number, because the mean of its divisors is an integer number (135610459774).

Almost surely, 2^271220919547 is an apocalyptic number.

271220919547 is a deficient number, since it is larger than the sum of its proper divisors (1).

271220919547 is an equidigital number, since it uses as much as digits as its factorization.

271220919547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 271220919547 in words is "two hundred seventy-one billion, two hundred twenty million, nine hundred nineteen thousand, five hundred forty-seven".