1696957057 has 2 divisors, whose sum is σ = 1696957058. Its totient is φ = 1696957056.

The previous prime is 1696957049. The next prime is 1696957099. The reversal of 1696957057 is 7507596961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1499160961 + 197796096 = 38719^2 + 14064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1696957057 - 2³ = 1696957049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1696956989 and 1696957007.

It is not a weakly prime, because it can be changed into another prime (1696951057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848478528 + 848478529.

It is an arithmetic number, because the mean of its divisors is an integer number (848478529).

Almost surely, 2^1696957057 is an apocalyptic number.

It is an amenable number.

1696957057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696957057 is an equidigital number, since it uses as much as digits as its factorization.

1696957057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The square root of 1696957057 is about 41194.1386243237. The cubic root of 1696957057 is about 1192.7706683280.

The spelling of 1696957057 in words is "one billion, six hundred ninety-six million, nine hundred fifty-seven thousand, fifty-seven".