845689633773 has 8 divisors (see below), whose sum is σ = 1132930189536. Its totient is φ = 561121083600.

The previous prime is 845689633771. The next prime is 845689633781. The reversal of 845689633773 is 377336986548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 845689633773 - 2¹ = 845689633771 is a prime.

It is a super-2 number, since 2×845689633773² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 845689633698 and 845689633707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845689633771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668000658 + ... + 668001923.

It is an arithmetic number, because the mean of its divisors is an integer number (141616273692).

Almost surely, 2^845689633773 is an apocalyptic number.

It is an amenable number.

845689633773 is a deficient number, since it is larger than the sum of its proper divisors (287240555763).

845689633773 is a wasteful number, since it uses less digits than its factorization.

845689633773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336002795.

The product of its digits is 548674560, while the sum is 69.

The spelling of 845689633773 in words is "eight hundred forty-five billion, six hundred eighty-nine million, six hundred thirty-three thousand, seven hundred seventy-three".