3981037057 has 2 divisors, whose sum is σ = 3981037058. Its totient is φ = 3981037056.

The previous prime is 3981037037. The next prime is 3981037063. The reversal of 3981037057 is 7507301893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3937688001 + 43349056 = 62751^2 + 6584^2 .

It is a cyclic number.

It is not a de Polignac number, because 3981037057 - 2²⁷ = 3846819329 is a prime.

It is not a weakly prime, because it can be changed into another prime (3981037037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990518528 + 1990518529.

It is an arithmetic number, because the mean of its divisors is an integer number (1990518529).

Almost surely, 2^3981037057 is an apocalyptic number.

It is an amenable number.

3981037057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3981037057 is an equidigital number, since it uses as much as digits as its factorization.

3981037057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 3981037057 is about 63095.4598762859. The cubic root of 3981037057 is about 1584.8885945044. Note that the first 3 decimals are identical.

It can be divided in two parts, 39810 and 37057, that added together give a palindrome (76867).

The spelling of 3981037057 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, fifty-seven".