5436443405 has 4 divisors (see below), whose sum is σ = 6523732092. Its totient is φ = 4349154720.

The previous prime is 5436443393. The next prime is 5436443429. The reversal of 5436443405 is 5043446345.

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 3203786404 + 2232657001 = 56602^2 + 47251^2 .

It is not a de Polignac number, because 5436443405 - 2²⁰ = 5435394829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543644336 + ... + 543644345.

It is an arithmetic number, because the mean of its divisors is an integer number (1630933023).

Almost surely, 2^5436443405 is an apocalyptic number.

It is an amenable number.

5436443405 is a deficient number, since it is larger than the sum of its proper divisors (1087288687).

5436443405 is a wasteful number, since it uses less digits than its factorization.

5436443405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087288686.

The product of its (nonzero) digits is 345600, while the sum is 38.

The square root of 5436443405 is about 73732.2412856140. The cubic root of 5436443405 is about 1758.3485073050.

The spelling of 5436443405 in words is "five billion, four hundred thirty-six million, four hundred forty-three thousand, four hundred five".