1693048897 has 2 divisors, whose sum is σ = 1693048898. Its totient is φ = 1693048896.

The previous prime is 1693048879. The next prime is 1693048937. The reversal of 1693048897 is 7988403961.

Together with previous prime (1693048879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1230325776 + 462723121 = 35076^2 + 21511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1693048897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1693048297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846524448 + 846524449.

It is an arithmetic number, because the mean of its divisors is an integer number (846524449).

Almost surely, 2^1693048897 is an apocalyptic number.

It is an amenable number.

1693048897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1693048897 is an equidigital number, since it uses as much as digits as its factorization.

1693048897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 1693048897 is about 41146.6754064043. The cubic root of 1693048897 is about 1191.8542982974.

The spelling of 1693048897 in words is "one billion, six hundred ninety-three million, forty-eight thousand, eight hundred ninety-seven".