131682689993 has 2 divisors, whose sum is σ = 131682689994. Its totient is φ = 131682689992.

The previous prime is 131682689987. The next prime is 131682690001. The reversal of 131682689993 is 399986286131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108509630464 + 23173059529 = 329408^2 + 152227^2 .

It is a cyclic number.

It is not a de Polignac number, because 131682689993 - 2⁸ = 131682689737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131682689933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65841344996 + 65841344997.

It is an arithmetic number, because the mean of its divisors is an integer number (65841344997).

Almost surely, 2^131682689993 is an apocalyptic number.

It is an amenable number.

131682689993 is a deficient number, since it is larger than the sum of its proper divisors (1).

131682689993 is an equidigital number, since it uses as much as digits as its factorization.

131682689993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 65.

The spelling of 131682689993 in words is "one hundred thirty-one billion, six hundred eighty-two million, six hundred eighty-nine thousand, nine hundred ninety-three".