43798364773 has 4 divisors (see below), whose sum is σ = 44624749068. Its totient is φ = 42971980480.

The previous prime is 43798364761. The next prime is 43798364777. The reversal of 43798364773 is 37746389734.

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 39444740449 + 4353624324 = 198607^2 + 65982^2 .

It is a cyclic number.

It is not a de Polignac number, because 43798364773 - 2²⁹ = 43261493861 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 (43798364777) 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, 413192068 + ... + 413192173.

It is an arithmetic number, because the mean of its divisors is an integer number (11156187267).

Almost surely, 2^43798364773 is an apocalyptic number.

It is an amenable number.

43798364773 is a deficient number, since it is larger than the sum of its proper divisors (826384295).

43798364773 is an equidigital number, since it uses as much as digits as its factorization.

43798364773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826384294.

The product of its digits is 64012032, while the sum is 61.

The spelling of 43798364773 in words is "forty-three billion, seven hundred ninety-eight million, three hundred sixty-four thousand, seven hundred seventy-three".