1498681663 has 2 divisors, whose sum is σ = 1498681664. Its totient is φ = 1498681662.

The previous prime is 1498681649. The next prime is 1498681669. The reversal of 1498681663 is 3661868941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1498681663 - 2¹⁷ = 1498550591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1498681663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1498681669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749340831 + 749340832.

It is an arithmetic number, because the mean of its divisors is an integer number (749340832).

Almost surely, 2^1498681663 is an apocalyptic number.

1498681663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498681663 is an equidigital number, since it uses as much as digits as its factorization.

1498681663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 1498681663 is about 38712.8100633369. The cubic root of 1498681663 is about 1144.3787844481.

The spelling of 1498681663 in words is "one billion, four hundred ninety-eight million, six hundred eighty-one thousand, six hundred sixty-three".