1717641379 has 2 divisors, whose sum is σ = 1717641380. Its totient is φ = 1717641378.

The previous prime is 1717641323. The next prime is 1717641421. The reversal of 1717641379 is 9731467171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1717641379 - 2⁷ = 1717641251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1717641479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858820689 + 858820690.

It is an arithmetic number, because the mean of its divisors is an integer number (858820690).

Almost surely, 2^1717641379 is an apocalyptic number.

1717641379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1717641379 is an equidigital number, since it uses as much as digits as its factorization.

1717641379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 46.

The square root of 1717641379 is about 41444.4372503717. The cubic root of 1717641379 is about 1197.5973637245.

The spelling of 1717641379 in words is "one billion, seven hundred seventeen million, six hundred forty-one thousand, three hundred seventy-nine".