982709685431 has 2 divisors, whose sum is σ = 982709685432. Its totient is φ = 982709685430.

The previous prime is 982709685427. The next prime is 982709685523. The reversal of 982709685431 is 134586907289.

It is a weak prime.

It is an emirp because it is prime and its reverse (134586907289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 982709685431 - 2² = 982709685427 is a prime.

It is a super-2 number, since 2×982709685431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (982709685421) 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, 491354842715 + 491354842716.

It is an arithmetic number, because the mean of its divisors is an integer number (491354842716).

It is a 2-persistent number, because it is pandigital, and so is 2⋅982709685431 = 1965419370862, but 3⋅982709685431 = 2948129056293 is not.

Almost surely, 2^982709685431 is an apocalyptic number.

982709685431 is a deficient number, since it is larger than the sum of its proper divisors (1).

982709685431 is an equidigital number, since it uses as much as digits as its factorization.

982709685431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 982709685431 in words is "nine hundred eighty-two billion, seven hundred nine million, six hundred eighty-five thousand, four hundred thirty-one".