3784021201 has 2 divisors, whose sum is σ = 3784021202. Its totient is φ = 3784021200.

The previous prime is 3784021147. The next prime is 3784021223. The reversal of 3784021201 is 1021204873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3147771025 + 636250176 = 56105^2 + 25224^2 .

It is a cyclic number.

It is not a de Polignac number, because 3784021201 - 2⁹ = 3784020689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3784021201.

It is not a weakly prime, because it can be changed into another prime (3784021301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892010600 + 1892010601.

It is an arithmetic number, because the mean of its divisors is an integer number (1892010601).

Almost surely, 2^3784021201 is an apocalyptic number.

It is an amenable number.

3784021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3784021201 is an equidigital number, since it uses as much as digits as its factorization.

3784021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 3784021201 is about 61514.3983226691. The cubic root of 3784021201 is about 1558.3004173995.

The spelling of 3784021201 in words is "three billion, seven hundred eighty-four million, twenty-one thousand, two hundred one".