56740654589 has 2 divisors, whose sum is σ = 56740654590. Its totient is φ = 56740654588.

The previous prime is 56740654583. The next prime is 56740654627. The reversal of 56740654589 is 98545604765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56506044100 + 234610489 = 237710^2 + 15317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56740654589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56740654583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28370327294 + 28370327295.

It is an arithmetic number, because the mean of its divisors is an integer number (28370327295).

Almost surely, 2^56740654589 is an apocalyptic number.

It is an amenable number.

56740654589 is a deficient number, since it is larger than the sum of its proper divisors (1).

56740654589 is an equidigital number, since it uses as much as digits as its factorization.

56740654589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 56740654589 in words is "fifty-six billion, seven hundred forty million, six hundred fifty-four thousand, five hundred eighty-nine".