3681941057 has 2 divisors, whose sum is σ = 3681941058. Its totient is φ = 3681941056.

The previous prime is 3681940979. The next prime is 3681941063. The reversal of 3681941057 is 7501491863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3681941041 + 16 = 60679^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 3681941057 - 2²² = 3677746753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3681940999 and 3681941017.

It is not a weakly prime, because it can be changed into another prime (3681941357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840970528 + 1840970529.

It is an arithmetic number, because the mean of its divisors is an integer number (1840970529).

Almost surely, 2^3681941057 is an apocalyptic number.

It is an amenable number.

3681941057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681941057 is an equidigital number, since it uses as much as digits as its factorization.

3681941057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 3681941057 is about 60679.0001318413. Note that the first 3 decimals coincide. The cubic root of 3681941057 is about 1544.1599252283.

The spelling of 3681941057 in words is "three billion, six hundred eighty-one million, nine hundred forty-one thousand, fifty-seven".