54189416663 has 2 divisors, whose sum is σ = 54189416664. Its totient is φ = 54189416662.

The previous prime is 54189416629. The next prime is 54189416681. The reversal of 54189416663 is 36661498145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54189416663 - 2¹² = 54189412567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54189416683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27094708331 + 27094708332.

It is an arithmetic number, because the mean of its divisors is an integer number (27094708332).

Almost surely, 2^54189416663 is an apocalyptic number.

54189416663 is a deficient number, since it is larger than the sum of its proper divisors (1).

54189416663 is an equidigital number, since it uses as much as digits as its factorization.

54189416663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The spelling of 54189416663 in words is "fifty-four billion, one hundred eighty-nine million, four hundred sixteen thousand, six hundred sixty-three".