1893896057 has 2 divisors, whose sum is σ = 1893896058. Its totient is φ = 1893896056.

The previous prime is 1893896021. The next prime is 1893896087. The reversal of 1893896057 is 7506983981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240377961 + 653518096 = 35219^2 + 25564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1893896057 - 2²⁸ = 1625460601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1893895993 and 1893896011.

It is not a weakly prime, because it can be changed into another prime (1893896087) 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, 946948028 + 946948029.

It is an arithmetic number, because the mean of its divisors is an integer number (946948029).

Almost surely, 2^1893896057 is an apocalyptic number.

It is an amenable number.

1893896057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1893896057 is an equidigital number, since it uses as much as digits as its factorization.

1893896057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 1893896057 is about 43518.9160825497. The cubic root of 1893896057 is about 1237.2345709950.

The spelling of 1893896057 in words is "one billion, eight hundred ninety-three million, eight hundred ninety-six thousand, fifty-seven".