56430403493 has 2 divisors, whose sum is σ = 56430403494. Its totient is φ = 56430403492.

The previous prime is 56430403439. The next prime is 56430403499. The reversal of 56430403493 is 39430403465.

Together with previous prime (56430403439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56407200004 + 23203489 = 237502^2 + 4817^2 .

It is a cyclic number.

It is not a de Polignac number, because 56430403493 - 2¹⁸ = 56430141349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56430403493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56430403499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215201746 + 28215201747.

It is an arithmetic number, because the mean of its divisors is an integer number (28215201747).

Almost surely, 2^56430403493 is an apocalyptic number.

It is an amenable number.

56430403493 is a deficient number, since it is larger than the sum of its proper divisors (1).

56430403493 is an equidigital number, since it uses as much as digits as its factorization.

56430403493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 56430403493 in words is "fifty-six billion, four hundred thirty million, four hundred three thousand, four hundred ninety-three".