682419393945 has 12 divisors (see below), whose sum is σ = 1182860282916. Its totient is φ = 363957010080.

The previous prime is 682419393833. The next prime is 682419393979. The reversal of 682419393945 is 549393914286.

It can be written as a sum of positive squares in 2 ways, for example, as 294236814096 + 388182579849 = 542436^2 + 623043^2 .

It is not a de Polignac number, because 682419393945 - 2⁹ = 682419393433 is a prime.

It is a super-2 number, since 2×682419393945² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 7582437666 + ... + 7582437755.

It is an arithmetic number, because the mean of its divisors is an integer number (98571690243).

Almost surely, 2^682419393945 is an apocalyptic number.

It is an amenable number.

682419393945 is a deficient number, since it is larger than the sum of its proper divisors (500440888971).

682419393945 is a wasteful number, since it uses less digits than its factorization.

682419393945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164875432 (or 15164875429 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 682419393945 in words is "six hundred eighty-two billion, four hundred nineteen million, three hundred ninety-three thousand, nine hundred forty-five".