56733363409 has 2 divisors, whose sum is σ = 56733363410. Its totient is φ = 56733363408.

The previous prime is 56733363389. The next prime is 56733363437. The reversal of 56733363409 is 90436333765.

56733363409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42691824400 + 14041539009 = 206620^2 + 118497^2 .

It is a cyclic number.

It is not a de Polignac number, because 56733363409 - 2⁵ = 56733363377 is a prime.

It is not a weakly prime, because it can be changed into another prime (56733303409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28366681704 + 28366681705.

It is an arithmetic number, because the mean of its divisors is an integer number (28366681705).

Almost surely, 2^56733363409 is an apocalyptic number.

It is an amenable number.

56733363409 is a deficient number, since it is larger than the sum of its proper divisors (1).

56733363409 is an equidigital number, since it uses as much as digits as its factorization.

56733363409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 49.

The spelling of 56733363409 in words is "fifty-six billion, seven hundred thirty-three million, three hundred sixty-three thousand, four hundred nine".