56434901749 has 2 divisors, whose sum is σ = 56434901750. Its totient is φ = 56434901748.

The previous prime is 56434901723. The next prime is 56434901759. The reversal of 56434901749 is 94710943465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51703938225 + 4730963524 = 227385^2 + 68782^2 .

It is a cyclic number.

It is not a de Polignac number, because 56434901749 - 2¹⁷ = 56434770677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56434901696 and 56434901705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56434901759) 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 as a sum of consecutive naturals, namely, 28217450874 + 28217450875.

It is an arithmetic number, because the mean of its divisors is an integer number (28217450875).

Almost surely, 2^56434901749 is an apocalyptic number.

It is an amenable number.

56434901749 is a deficient number, since it is larger than the sum of its proper divisors (1).

56434901749 is an equidigital number, since it uses as much as digits as its factorization.

56434901749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 56434901749 in words is "fifty-six billion, four hundred thirty-four million, nine hundred one thousand, seven hundred forty-nine".