43402222444513 has 4 divisors (see below), whose sum is σ = 43402256312580. Its totient is φ = 43402188576448.

The previous prime is 43402222444487. The next prime is 43402222444573. The reversal of 43402222444513 is 31544422220434.

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 27474915689104 + 15927306755409 = 5241652^2 + 3990903^2 .

It is a cyclic number.

It is not a de Polignac number, because 43402222444513 - 2⁴⁵ = 8217850355681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43402222444573) 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, 14932948 + ... + 17601061.

It is an arithmetic number, because the mean of its divisors is an integer number (10850564078145).

Almost surely, 2^{43402222444513} is an apocalyptic number.

It is an amenable number.

43402222444513 is a deficient number, since it is larger than the sum of its proper divisors (33868067).

43402222444513 is a wasteful number, since it uses less digits than its factorization.

43402222444513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33868066.

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 43402222444513 its reverse (31544422220434), we get a palindrome (74946644664947).

The spelling of 43402222444513 in words is "forty-three trillion, four hundred two billion, two hundred twenty-two million, four hundred forty-four thousand, five hundred thirteen".