869950001 has 2 divisors, whose sum is σ = 869950002. Its totient is φ = 869950000.

The previous prime is 869949961. The next prime is 869950021. The reversal of 869950001 is 100059968.

869950001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866713600 + 3236401 = 29440^2 + 1799^2 .

It is a cyclic number.

It is not a de Polignac number, because 869950001 - 2⁶ = 869949937 is a prime.

It is not a weakly prime, because it can be changed into another prime (869950021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434975000 + 434975001.

It is an arithmetic number, because the mean of its divisors is an integer number (434975001).

Almost surely, 2^869950001 is an apocalyptic number.

It is an amenable number.

869950001 is a deficient number, since it is larger than the sum of its proper divisors (1).

869950001 is an equidigital number, since it uses as much as digits as its factorization.

869950001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 869950001 is about 29494.9148328996. The cubic root of 869950001 is about 954.6219828236.

The spelling of 869950001 in words is "eight hundred sixty-nine million, nine hundred fifty thousand, one".