845233311973 has 8 divisors (see below), whose sum is σ = 848908935576. Its totient is φ = 841558099200.

The previous prime is 845233311893. The next prime is 845233311977. The reversal of 845233311973 is 379113332548.

845233311973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 129209334849 + 716023977124 = 359457^2 + 846182^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 845233311973 - 2¹³ = 845233303781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845233311977) 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, 4460233 + ... + 4645873.

It is an arithmetic number, because the mean of its divisors is an integer number (106113616947).

Almost surely, 2^845233311973 is an apocalyptic number.

It is an amenable number.

845233311973 is a deficient number, since it is larger than the sum of its proper divisors (3675623603).

845233311973 is a wasteful number, since it uses less digits than its factorization.

845233311973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205415.

The product of its digits is 1632960, while the sum is 49.

The spelling of 845233311973 in words is "eight hundred forty-five billion, two hundred thirty-three million, three hundred eleven thousand, nine hundred seventy-three".