56147096449 has 2 divisors, whose sum is σ = 56147096450. Its totient is φ = 56147096448.

The previous prime is 56147096419. The next prime is 56147096527. The reversal of 56147096449 is 94469074165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37332036225 + 18815060224 = 193215^2 + 137168^2 .

It is a cyclic number.

It is not a de Polignac number, because 56147096449 - 2¹⁷ = 56146965377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56147096449.

It is not a weakly prime, because it can be changed into another prime (56147096419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28073548224 + 28073548225.

It is an arithmetic number, because the mean of its divisors is an integer number (28073548225).

Almost surely, 2^56147096449 is an apocalyptic number.

It is an amenable number.

56147096449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56147096449 is an equidigital number, since it uses as much as digits as its factorization.

56147096449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 56147096449 in words is "fifty-six billion, one hundred forty-seven million, ninety-six thousand, four hundred forty-nine".