45643306369 has 4 divisors (see below), whose sum is σ = 45748718596. Its totient is φ = 45537894144.

The previous prime is 45643306367. The next prime is 45643306381. The reversal of 45643306369 is 96360334654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96360334654 = 2 ⋅48180167327.

It can be written as a sum of positive squares in 2 ways, for example, as 20524860225 + 25118446144 = 143265^2 + 158488^2 .

It is a cyclic number.

It is not a de Polignac number, because 45643306369 - 2¹ = 45643306367 is a prime.

It is a super-2 number, since 2×45643306369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45643306361) 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, 52705464 + ... + 52706329.

It is an arithmetic number, because the mean of its divisors is an integer number (11437179649).

Almost surely, 2^45643306369 is an apocalyptic number.

It is an amenable number.

45643306369 is a deficient number, since it is larger than the sum of its proper divisors (105412227).

45643306369 is a wasteful number, since it uses less digits than its factorization.

45643306369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105412226.

The product of its (nonzero) digits is 4199040, while the sum is 49.

The spelling of 45643306369 in words is "forty-five billion, six hundred forty-three million, three hundred six thousand, three hundred sixty-nine".