1417678289 has 2 divisors, whose sum is σ = 1417678290. Its totient is φ = 1417678288.

The previous prime is 1417678237. The next prime is 1417678313. The reversal of 1417678289 is 9828767141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717811264 + 699867025 = 26792^2 + 26455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1417678289 - 2¹⁶ = 1417612753 is a prime.

It is a super-2 number, since 2×1417678289² = 4019623462203935042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1417678289.

It is not a weakly prime, because it can be changed into another prime (1417678489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708839144 + 708839145.

It is an arithmetic number, because the mean of its divisors is an integer number (708839145).

Almost surely, 2^1417678289 is an apocalyptic number.

It is an amenable number.

1417678289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1417678289 is an equidigital number, since it uses as much as digits as its factorization.

1417678289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 53.

The square root of 1417678289 is about 37652.0688541812. The cubic root of 1417678289 is about 1123.3779525306.

The spelling of 1417678289 in words is "one billion, four hundred seventeen million, six hundred seventy-eight thousand, two hundred eighty-nine".