4638826901 has 2 divisors, whose sum is σ = 4638826902. Its totient is φ = 4638826900.

The previous prime is 4638826891. The next prime is 4638826903. The reversal of 4638826901 is 1096288364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3672238801 + 966588100 = 60599^2 + 31090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4638826901 - 2⁶ = 4638826837 is a prime.

Together with 4638826903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4638826903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319413450 + 2319413451.

It is an arithmetic number, because the mean of its divisors is an integer number (2319413451).

Almost surely, 2^4638826901 is an apocalyptic number.

It is an amenable number.

4638826901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638826901 is an equidigital number, since it uses as much as digits as its factorization.

4638826901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 4638826901 is about 68108.9340762282. The cubic root of 4638826901 is about 1667.7696091808.

The spelling of 4638826901 in words is "four billion, six hundred thirty-eight million, eight hundred twenty-six thousand, nine hundred one".