1416663247 has 2 divisors, whose sum is σ = 1416663248. Its totient is φ = 1416663246.

The previous prime is 1416663223. The next prime is 1416663263. The reversal of 1416663247 is 7423666141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1416663247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1416663277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708331623 + 708331624.

It is an arithmetic number, because the mean of its divisors is an integer number (708331624).

Almost surely, 2^1416663247 is an apocalyptic number.

1416663247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416663247 is an equidigital number, since it uses as much as digits as its factorization.

1416663247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 1416663247 is about 37638.5872078111. The cubic root of 1416663247 is about 1123.1097797811.

The spelling of 1416663247 in words is "one billion, four hundred sixteen million, six hundred sixty-three thousand, two hundred forty-seven".