845325903361 has 6 divisors (see below), whose sum is σ = 892158363762. Its totient is φ = 800835066000.

The previous prime is 845325903311. The next prime is 845325903371. The reversal of 845325903361 is 163309523548.

It can be written as a sum of positive squares in only one way, i.e., 840778963600 + 4546939761 = 916940^2 + 67431^2 .

It is a de Polignac number, because none of the positive numbers 2^k-845325903361 is a prime.

It is a super-2 number, since 2×845325903361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845325903311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1170811140 + ... + 1170811861.

It is an arithmetic number, because the mean of its divisors is an integer number (148693060627).

Almost surely, 2^845325903361 is an apocalyptic number.

It is an amenable number.

845325903361 is a deficient number, since it is larger than the sum of its proper divisors (46832460401).

845325903361 is a wasteful number, since it uses less digits than its factorization.

845325903361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341623039 (or 2341623020 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 845325903361 in words is "eight hundred forty-five billion, three hundred twenty-five million, nine hundred three thousand, three hundred sixty-one".