4139093657 has 2 divisors, whose sum is σ = 4139093658. Its totient is φ = 4139093656.

The previous prime is 4139093653. The next prime is 4139093659. The reversal of 4139093657 is 7563909314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2482929241 + 1656164416 = 49829^2 + 40696^2 .

It is a cyclic number.

It is not a de Polignac number, because 4139093657 - 2² = 4139093653 is a prime.

Together with 4139093659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4139093653) 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, 2069546828 + 2069546829.

It is an arithmetic number, because the mean of its divisors is an integer number (2069546829).

Almost surely, 2^4139093657 is an apocalyptic number.

It is an amenable number.

4139093657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4139093657 is an equidigital number, since it uses as much as digits as its factorization.

4139093657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 4139093657 is about 64335.7883063540. The cubic root of 4139093657 is about 1605.5915893220.

The spelling of 4139093657 in words is "four billion, one hundred thirty-nine million, ninety-three thousand, six hundred fifty-seven".