4123651663 has 2 divisors, whose sum is σ = 4123651664. Its totient is φ = 4123651662.

The previous prime is 4123651627. The next prime is 4123651673. The reversal of 4123651663 is 3661563214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123651663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123651673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061825831 + 2061825832.

It is an arithmetic number, because the mean of its divisors is an integer number (2061825832).

Almost surely, 2^4123651663 is an apocalyptic number.

4123651663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123651663 is an equidigital number, since it uses as much as digits as its factorization.

4123651663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 4123651663 is about 64215.6652461064. The cubic root of 4123651663 is about 1603.5924050577.

The spelling of 4123651663 in words is "four billion, one hundred twenty-three million, six hundred fifty-one thousand, six hundred sixty-three".