5171705449 has 2 divisors, whose sum is σ = 5171705450. Its totient is φ = 5171705448.

The previous prime is 5171705431. The next prime is 5171705467. The reversal of 5171705449 is 9445071715.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (5171705431) and next prime (5171705467).

It can be written as a sum of positive squares in only one way, i.e., 5141893849 + 29811600 = 71707^2 + 5460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171705449 - 2²⁹ = 4634834537 is a prime.

It is not a weakly prime, because it can be changed into another prime (5171705419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585852724 + 2585852725.

It is an arithmetic number, because the mean of its divisors is an integer number (2585852725).

Almost surely, 2^5171705449 is an apocalyptic number.

It is an amenable number.

5171705449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171705449 is an equidigital number, since it uses as much as digits as its factorization.

5171705449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 5171705449 is about 71914.5704916605. The cubic root of 5171705449 is about 1729.3302060368.

The spelling of 5171705449 in words is "five billion, one hundred seventy-one million, seven hundred five thousand, four hundred forty-nine".