56474647459 has 2 divisors, whose sum is σ = 56474647460. Its totient is φ = 56474647458.

The previous prime is 56474647457. The next prime is 56474647483. The reversal of 56474647459 is 95474647465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56474647459 - 2¹ = 56474647457 is a prime.

Together with 56474647457, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 56474647397 and 56474647406.

It is not a weakly prime, because it can be changed into another prime (56474647457) 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, 28237323729 + 28237323730.

It is an arithmetic number, because the mean of its divisors is an integer number (28237323730).

Almost surely, 2^56474647459 is an apocalyptic number.

56474647459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56474647459 is an equidigital number, since it uses as much as digits as its factorization.

56474647459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101606400, while the sum is 61.

The spelling of 56474647459 in words is "fifty-six billion, four hundred seventy-four million, six hundred forty-seven thousand, four hundred fifty-nine".