1416917389 has 2 divisors, whose sum is σ = 1416917390. Its totient is φ = 1416917388.

The previous prime is 1416917363. The next prime is 1416917443. The reversal of 1416917389 is 9837196141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776068164 + 640849225 = 27858^2 + 25315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416917389 - 2²⁷ = 1282699661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1416915389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708458694 + 708458695.

It is an arithmetic number, because the mean of its divisors is an integer number (708458695).

Almost surely, 2^1416917389 is an apocalyptic number.

It is an amenable number.

1416917389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416917389 is an equidigital number, since it uses as much as digits as its factorization.

1416917389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 49.

The square root of 1416917389 is about 37641.9631395601. The cubic root of 1416917389 is about 1123.1769357783.

The spelling of 1416917389 in words is "one billion, four hundred sixteen million, nine hundred seventeen thousand, three hundred eighty-nine".