1013401663 has 2 divisors, whose sum is σ = 1013401664. Its totient is φ = 1013401662.

The previous prime is 1013401517. The next prime is 1013401679. The reversal of 1013401663 is 3661043101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013401663 - 2¹⁷ = 1013270591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013401693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506700831 + 506700832.

It is an arithmetic number, because the mean of its divisors is an integer number (506700832).

Almost surely, 2^1013401663 is an apocalyptic number.

1013401663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013401663 is an equidigital number, since it uses as much as digits as its factorization.

1013401663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1013401663 is about 31833.9702676245. The cubic root of 1013401663 is about 1004.4474122022.

Adding to 1013401663 its reverse (3661043101), we get a palindrome (4674444764).

The spelling of 1013401663 in words is "one billion, thirteen million, four hundred one thousand, six hundred sixty-three".