3919730057 has 2 divisors, whose sum is σ = 3919730058. Its totient is φ = 3919730056.

The previous prime is 3919730053. The next prime is 3919730071. The reversal of 3919730057 is 7500379193.

3919730057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3380375881 + 539354176 = 58141^2 + 23224^2 .

It is a cyclic number.

It is not a de Polignac number, because 3919730057 - 2² = 3919730053 is a prime.

It is not a weakly prime, because it can be changed into another prime (3919730053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959865028 + 1959865029.

It is an arithmetic number, because the mean of its divisors is an integer number (1959865029).

Almost surely, 2^3919730057 is an apocalyptic number.

It is an amenable number.

3919730057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3919730057 is an equidigital number, since it uses as much as digits as its factorization.

3919730057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 3919730057 is about 62607.7475796726. The cubic root of 3919730057 is about 1576.7108386079.

The spelling of 3919730057 in words is "three billion, nine hundred nineteen million, seven hundred thirty thousand, fifty-seven".