18496963 has 2 divisors, whose sum is σ = 18496964. Its totient is φ = 18496962.

The previous prime is 18496949. The next prime is 18496967. The reversal of 18496963 is 36969481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18496963 - 2²¹ = 16399811 is a prime.

It is not a weakly prime, because it can be changed into another prime (18496967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9248481 + 9248482.

It is an arithmetic number, because the mean of its divisors is an integer number (9248482).

Almost surely, 2^18496963 is an apocalyptic number.

18496963 is a deficient number, since it is larger than the sum of its proper divisors (1).

18496963 is an equidigital number, since it uses as much as digits as its factorization.

18496963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 18496963 is about 4300.8095749521. The cubic root of 18496963 is about 264.4641503818.

The spelling of 18496963 in words is "eighteen million, four hundred ninety-six thousand, nine hundred sixty-three".