3844656901 has 2 divisors, whose sum is σ = 3844656902. Its totient is φ = 3844656900.

The previous prime is 3844656833. The next prime is 3844656919. The reversal of 3844656901 is 1096564483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3844124001 + 532900 = 62001^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3844656901 - 2⁷ = 3844656773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3844656971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922328450 + 1922328451.

It is an arithmetic number, because the mean of its divisors is an integer number (1922328451).

Almost surely, 2^3844656901 is an apocalyptic number.

It is an amenable number.

3844656901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3844656901 is an equidigital number, since it uses as much as digits as its factorization.

3844656901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 3844656901 is about 62005.2973624028. The cubic root of 3844656901 is about 1566.5798268198.

The spelling of 3844656901 in words is "three billion, eight hundred forty-four million, six hundred fifty-six thousand, nine hundred one".