1999962527663 has 2 divisors, whose sum is σ = 1999962527664. Its totient is φ = 1999962527662.

The previous prime is 1999962527527. The next prime is 1999962527803. The reversal of 1999962527663 is 3667252699991.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1999962527663 is a prime.

It is a super-2 number, since 2×1999962527663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1999962527363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999981263831 + 999981263832.

It is an arithmetic number, because the mean of its divisors is an integer number (999981263832).

Almost surely, 2^{1999962527663} is an apocalyptic number.

1999962527663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1999962527663 is an equidigital number, since it uses as much as digits as its factorization.

1999962527663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595213920, while the sum is 74.

The spelling of 1999962527663 in words is "one trillion, nine hundred ninety-nine billion, nine hundred sixty-two million, five hundred twenty-seven thousand, six hundred sixty-three".