3861204493 has 2 divisors, whose sum is σ = 3861204494. Its totient is φ = 3861204492.

The previous prime is 3861204467. The next prime is 3861204497. The reversal of 3861204493 is 3944021683.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2940567529 + 920636964 = 54227^2 + 30342^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861204493 - 2⁹ = 3861203981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3861204497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930602246 + 1930602247.

It is an arithmetic number, because the mean of its divisors is an integer number (1930602247).

Almost surely, 2^3861204493 is an apocalyptic number.

It is an amenable number.

3861204493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861204493 is an equidigital number, since it uses as much as digits as its factorization.

3861204493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3861204493 is about 62138.5910123492. The cubic root of 3861204493 is about 1568.8241554804.

The spelling of 3861204493 in words is "three billion, eight hundred sixty-one million, two hundred four thousand, four hundred ninety-three".