1886792641697 has 2 divisors, whose sum is σ = 1886792641698. Its totient is φ = 1886792641696.

The previous prime is 1886792641673. The next prime is 1886792641711. The reversal of 1886792641697 is 7961462976881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1337223955456 + 549568686241 = 1156384^2 + 741329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1886792641697 - 2⁸ = 1886792641441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1886792641297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943396320848 + 943396320849.

It is an arithmetic number, because the mean of its divisors is an integer number (943396320849).

Almost surely, 2^{1886792641697} is an apocalyptic number.

It is an amenable number.

1886792641697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1886792641697 is an equidigital number, since it uses as much as digits as its factorization.

1886792641697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 438939648, while the sum is 74.

The spelling of 1886792641697 in words is "one trillion, eight hundred eighty-six billion, seven hundred ninety-two million, six hundred forty-one thousand, six hundred ninety-seven".