1717457479 has 2 divisors, whose sum is σ = 1717457480. Its totient is φ = 1717457478.

The previous prime is 1717457477. The next prime is 1717457509. The reversal of 1717457479 is 9747547171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1717457479 - 2¹ = 1717457477 is a prime.

Together with 1717457477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1717457471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858728739 + 858728740.

It is an arithmetic number, because the mean of its divisors is an integer number (858728740).

Almost surely, 2^1717457479 is an apocalyptic number.

1717457479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1717457479 is an equidigital number, since it uses as much as digits as its factorization.

1717457479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728720, while the sum is 52.

The square root of 1717457479 is about 41442.2185578909. The cubic root of 1717457479 is about 1197.5546217765.

The spelling of 1717457479 in words is "one billion, seven hundred seventeen million, four hundred fifty-seven thousand, four hundred seventy-nine".