3857091673 has 2 divisors, whose sum is σ = 3857091674. Its totient is φ = 3857091672.

The previous prime is 3857091653. The next prime is 3857091731. The reversal of 3857091673 is 3761907583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2514821904 + 1342269769 = 50148^2 + 36637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3857091673 is a prime.

It is not a weakly prime, because it can be changed into another prime (3857091643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928545836 + 1928545837.

It is an arithmetic number, because the mean of its divisors is an integer number (1928545837).

Almost surely, 2^3857091673 is an apocalyptic number.

It is an amenable number.

3857091673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3857091673 is an equidigital number, since it uses as much as digits as its factorization.

3857091673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 3857091673 is about 62105.4882679462. The cubic root of 3857091673 is about 1568.2669387147.

The spelling of 3857091673 in words is "three billion, eight hundred fifty-seven million, ninety-one thousand, six hundred seventy-three".