945642720106333 has 4 divisors (see below), whose sum is σ = 945647006759388. Its totient is φ = 945638433453280.

The previous prime is 945642720106313. The next prime is 945642720106373. The reversal of 945642720106333 is 333601027246549.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 534491952522724 + 411150767583609 = 23119082^2 + 20276853^2 .

It is a cyclic number.

It is not a de Polignac number, because 945642720106333 - 2³³ = 945634130171741 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 (945642720106313) 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, 2142995608 + ... + 2143436833.

It is an arithmetic number, because the mean of its divisors is an integer number (236411751689847).

Almost surely, 2^{945642720106333} is an apocalyptic number.

It is an amenable number.

945642720106333 is a deficient number, since it is larger than the sum of its proper divisors (4286653055).

945642720106333 is a wasteful number, since it uses less digits than its factorization.

945642720106333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286653054.

The product of its (nonzero) digits is 19595520, while the sum is 55.

The spelling of 945642720106333 in words is "nine hundred forty-five trillion, six hundred forty-two billion, seven hundred twenty million, one hundred six thousand, three hundred thirty-three".