43562428369 has 4 divisors (see below), whose sum is σ = 43905439744. Its totient is φ = 43219416996.

The previous prime is 43562428367. The next prime is 43562428471. The reversal of 43562428369 is 96382426534.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43562428369 - 2¹ = 43562428367 is a prime.

It is a super-2 number, since 2×43562428369² (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 (43562428361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171505497 + ... + 171505750.

It is an arithmetic number, because the mean of its divisors is an integer number (10976359936).

Almost surely, 2^43562428369 is an apocalyptic number.

It is an amenable number.

43562428369 is a deficient number, since it is larger than the sum of its proper divisors (343011375).

43562428369 is a wasteful number, since it uses less digits than its factorization.

43562428369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343011374.

The product of its digits is 7464960, while the sum is 52.

The spelling of 43562428369 in words is "forty-three billion, five hundred sixty-two million, four hundred twenty-eight thousand, three hundred sixty-nine".