271048649 has 2 divisors, whose sum is σ = 271048650. Its totient is φ = 271048648.

The previous prime is 271048639. The next prime is 271048711. The reversal of 271048649 is 946840172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204919225 + 66129424 = 14315^2 + 8132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271048649 is a prime.

It is not a weakly prime, because it can be changed into another prime (271048639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135524324 + 135524325.

It is an arithmetic number, because the mean of its divisors is an integer number (135524325).

Almost surely, 2^271048649 is an apocalyptic number.

It is an amenable number.

271048649 is a deficient number, since it is larger than the sum of its proper divisors (1).

271048649 is an equidigital number, since it uses as much as digits as its factorization.

271048649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 271048649 is about 16463.5551749918. Note that the first 3 decimals coincide. The cubic root of 271048649 is about 647.1660837482.

It can be divided in two parts, 27104 and 8649, that added together give a palindrome (35753).

The spelling of 271048649 in words is "two hundred seventy-one million, forty-eight thousand, six hundred forty-nine".