56434243465 has 4 divisors (see below), whose sum is σ = 67721092164. Its totient is φ = 45147394768.

The previous prime is 56434243433. The next prime is 56434243469.

It is a happy number.

56434243465 is nontrivially palindromic in base 10.

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 28249541776 + 28184701689 = 168076^2 + 167883^2 .

It is a cyclic number.

It is not a de Polignac number, because 56434243465 - 2⁵ = 56434243433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56434243469) 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, 5643424342 + ... + 5643424351.

It is an arithmetic number, because the mean of its divisors is an integer number (16930273041).

Almost surely, 2^56434243465 is an apocalyptic number.

It is an amenable number.

56434243465 is a deficient number, since it is larger than the sum of its proper divisors (11286848699).

56434243465 is a wasteful number, since it uses less digits than its factorization.

56434243465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11286848698.

The product of its digits is 4147200, while the sum is 46.

The spelling of 56434243465 in words is "fifty-six billion, four hundred thirty-four million, two hundred forty-three thousand, four hundred sixty-five".