56673389441 has 2 divisors, whose sum is σ = 56673389442. Its totient is φ = 56673389440.

The previous prime is 56673389429. The next prime is 56673389489. The reversal of 56673389441 is 14498337665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31233139441 + 25440250000 = 176729^2 + 159500^2 .

It is a cyclic number.

It is not a de Polignac number, because 56673389441 - 2¹⁸ = 56673127297 is a prime.

It is not a weakly prime, because it can be changed into another prime (56673380441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28336694720 + 28336694721.

It is an arithmetic number, because the mean of its divisors is an integer number (28336694721).

Almost surely, 2^56673389441 is an apocalyptic number.

It is an amenable number.

56673389441 is a deficient number, since it is larger than the sum of its proper divisors (1).

56673389441 is an equidigital number, since it uses as much as digits as its factorization.

56673389441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 56.

The spelling of 56673389441 in words is "fifty-six billion, six hundred seventy-three million, three hundred eighty-nine thousand, four hundred forty-one".