3661374709 has 2 divisors, whose sum is σ = 3661374710. Its totient is φ = 3661374708.

The previous prime is 3661374697. The next prime is 3661374719. The reversal of 3661374709 is 9074731663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909952209 + 1751422500 = 43703^2 + 41850^2 .

It is a cyclic number.

It is not a de Polignac number, because 3661374709 - 2¹¹ = 3661372661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3661374719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830687354 + 1830687355.

It is an arithmetic number, because the mean of its divisors is an integer number (1830687355).

Almost surely, 2^3661374709 is an apocalyptic number.

It is an amenable number.

3661374709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661374709 is an equidigital number, since it uses as much as digits as its factorization.

3661374709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 3661374709 is about 60509.2944017694. The cubic root of 3661374709 is about 1541.2794658758.

The spelling of 3661374709 in words is "three billion, six hundred sixty-one million, three hundred seventy-four thousand, seven hundred nine".