983419387845 has 32 divisors (see below), whose sum is σ = 1668043041408. Its totient is φ = 493040959488.

The previous prime is 983419387843. The next prime is 983419387883. The reversal of 983419387845 is 548783914389.

It is not a de Polignac number, because 983419387845 - 2¹ = 983419387843 is a prime.

It is a super-2 number, since 2×983419387845² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 983419387845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983419387843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2120764 + ... + 2542533.

It is an arithmetic number, because the mean of its divisors is an integer number (52126345044).

Almost surely, 2^983419387845 is an apocalyptic number.

It is an amenable number.

983419387845 is a deficient number, since it is larger than the sum of its proper divisors (684623653563).

983419387845 is a wasteful number, since it uses less digits than its factorization.

983419387845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664149.

The product of its digits is 209018880, while the sum is 69.

The spelling of 983419387845 in words is "nine hundred eighty-three billion, four hundred nineteen million, three hundred eighty-seven thousand, eight hundred forty-five".