56465670589 has 2 divisors, whose sum is σ = 56465670590. Its totient is φ = 56465670588.

The previous prime is 56465670559. The next prime is 56465670617. The reversal of 56465670589 is 98507656465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54119043225 + 2346627364 = 232635^2 + 48442^2 .

It is a cyclic number.

It is not a de Polignac number, because 56465670589 - 2⁹ = 56465670077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56465670539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28232835294 + 28232835295.

It is an arithmetic number, because the mean of its divisors is an integer number (28232835295).

Almost surely, 2^56465670589 is an apocalyptic number.

It is an amenable number.

56465670589 is a deficient number, since it is larger than the sum of its proper divisors (1).

56465670589 is an equidigital number, since it uses as much as digits as its factorization.

56465670589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 56465670589 in words is "fifty-six billion, four hundred sixty-five million, six hundred seventy thousand, five hundred eighty-nine".