1416563881 has 2 divisors, whose sum is σ = 1416563882. Its totient is φ = 1416563880.

The previous prime is 1416563851. The next prime is 1416563909. The reversal of 1416563881 is 1883656141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982258281 + 434305600 = 31341^2 + 20840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416563881 - 2¹³ = 1416555689 is a prime.

It is a super-2 number, since 2×1416563881² = 4013306457907564322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1416563801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708281940 + 708281941.

It is an arithmetic number, because the mean of its divisors is an integer number (708281941).

Almost surely, 2^1416563881 is an apocalyptic number.

It is an amenable number.

1416563881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416563881 is an equidigital number, since it uses as much as digits as its factorization.

1416563881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 43.

The square root of 1416563881 is about 37637.2671829398. The cubic root of 1416563881 is about 1123.0835205329.

The spelling of 1416563881 in words is "one billion, four hundred sixteen million, five hundred sixty-three thousand, eight hundred eighty-one".