4188003961 has 2 divisors, whose sum is σ = 4188003962. Its totient is φ = 4188003960.

The previous prime is 4188003929. The next prime is 4188003971. The reversal of 4188003961 is 1693008814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3195753961 + 992250000 = 56531^2 + 31500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4188003961 - 2⁵ = 4188003929 is a prime.

It is not a weakly prime, because it can be changed into another prime (4188003971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094001980 + 2094001981.

It is an arithmetic number, because the mean of its divisors is an integer number (2094001981).

Almost surely, 2^4188003961 is an apocalyptic number.

It is an amenable number.

4188003961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4188003961 is an equidigital number, since it uses as much as digits as its factorization.

4188003961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4188003961 is about 64714.7893529756. The cubic root of 4188003961 is about 1611.8910897332.

The spelling of 4188003961 in words is "four billion, one hundred eighty-eight million, three thousand, nine hundred sixty-one".