845369061 has 4 divisors (see below), whose sum is σ = 1127158752. Its totient is φ = 563579372.

The previous prime is 845369059. The next prime is 845369093. The reversal of 845369061 is 160963548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 845369061 - 2¹ = 845369059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845361061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140894841 + ... + 140894846.

It is an arithmetic number, because the mean of its divisors is an integer number (281789688).

Almost surely, 2^845369061 is an apocalyptic number.

It is an amenable number.

845369061 is a deficient number, since it is larger than the sum of its proper divisors (281789691).

845369061 is a wasteful number, since it uses less digits than its factorization.

845369061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281789690.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 845369061 is about 29075.2310566915. The cubic root of 845369061 is about 945.5448127995.

The spelling of 845369061 in words is "eight hundred forty-five million, three hundred sixty-nine thousand, sixty-one".