1694113239971 has 2 divisors, whose sum is σ = 1694113239972. Its totient is φ = 1694113239970.

The previous prime is 1694113239943. The next prime is 1694113240021. The reversal of 1694113239971 is 1799323114961.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1694113239971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1694113239571) 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, 847056619985 + 847056619986.

It is an arithmetic number, because the mean of its divisors is an integer number (847056619986).

Almost surely, 2^{1694113239971} is an apocalyptic number.

1694113239971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1694113239971 is an equidigital number, since it uses as much as digits as its factorization.

1694113239971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 56.

The spelling of 1694113239971 in words is "one trillion, six hundred ninety-four billion, one hundred thirteen million, two hundred thirty-nine thousand, nine hundred seventy-one".