3963162661 has 2 divisors, whose sum is σ = 3963162662. Its totient is φ = 3963162660.

The previous prime is 3963162647. The next prime is 3963162779. The reversal of 3963162661 is 1662613693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3590286561 + 372876100 = 59919^2 + 19310^2 .

It is a cyclic number.

It is not a de Polignac number, because 3963162661 - 2²¹ = 3961065509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3963162641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1981581330 + 1981581331.

It is an arithmetic number, because the mean of its divisors is an integer number (1981581331).

Almost surely, 2^3963162661 is an apocalyptic number.

It is an amenable number.

3963162661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3963162661 is an equidigital number, since it uses as much as digits as its factorization.

3963162661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 3963162661 is about 62953.6548660997. The cubic root of 3963162661 is about 1582.5130468025.

The spelling of 3963162661 in words is "three billion, nine hundred sixty-three million, one hundred sixty-two thousand, six hundred sixty-one".