845786415412 has 6 divisors (see below), whose sum is σ = 1480126226978. Its totient is φ = 422893207704.

The previous prime is 845786415349. The next prime is 845786415427. The reversal of 845786415412 is 214514687548.

It can be written as a sum of positive squares in only one way, i.e., 745521726096 + 100264689316 = 863436^2 + 316646^2 .

It is a super-2 number, since 2×845786415412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 105723301923 + ... + 105723301930.

Almost surely, 2^845786415412 is an apocalyptic number.

It is an amenable number.

845786415412 is a deficient number, since it is larger than the sum of its proper divisors (634339811566).

845786415412 is a wasteful number, since it uses less digits than its factorization.

845786415412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211446603857 (or 211446603855 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 55.

The spelling of 845786415412 in words is "eight hundred forty-five billion, seven hundred eighty-six million, four hundred fifteen thousand, four hundred twelve".