3867201901 has 2 divisors, whose sum is σ = 3867201902. Its totient is φ = 3867201900.

The previous prime is 3867201883. The next prime is 3867201907. The reversal of 3867201901 is 1091027683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3313729225 + 553472676 = 57565^2 + 23526^2 .

It is a cyclic number.

It is not a de Polignac number, because 3867201901 - 2⁷ = 3867201773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3867201907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933600950 + 1933600951.

It is an arithmetic number, because the mean of its divisors is an integer number (1933600951).

Almost surely, 2^3867201901 is an apocalyptic number.

It is an amenable number.

3867201901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3867201901 is an equidigital number, since it uses as much as digits as its factorization.

3867201901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 3867201901 is about 62186.8306074526. The cubic root of 3867201901 is about 1569.6359929365.

The spelling of 3867201901 in words is "three billion, eight hundred sixty-seven million, two hundred one thousand, nine hundred one".