56899596449 has 2 divisors, whose sum is σ = 56899596450. Its totient is φ = 56899596448.

The previous prime is 56899596437. The next prime is 56899596473. The reversal of 56899596449 is 94469599865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56884635025 + 14961424 = 238505^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 56899596449 - 2⁴ = 56899596433 is a prime.

It is not a weakly prime, because it can be changed into another prime (56899596499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28449798224 + 28449798225.

It is an arithmetic number, because the mean of its divisors is an integer number (28449798225).

Almost surely, 2^56899596449 is an apocalyptic number.

It is an amenable number.

56899596449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56899596449 is an equidigital number, since it uses as much as digits as its factorization.

56899596449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 755827200, while the sum is 74.

The spelling of 56899596449 in words is "fifty-six billion, eight hundred ninety-nine million, five hundred ninety-six thousand, four hundred forty-nine".