577125747449 has 2 divisors, whose sum is σ = 577125747450. Its totient is φ = 577125747448.

The previous prime is 577125747437. The next prime is 577125747493. The reversal of 577125747449 is 944747521775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547984867600 + 29140879849 = 740260^2 + 170707^2 .

It is a cyclic number.

It is not a de Polignac number, because 577125747449 - 2²⁰ = 577124698873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 577125747391 and 577125747400.

It is not a weakly prime, because it can be changed into another prime (577125717449) 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, 288562873724 + 288562873725.

It is an arithmetic number, because the mean of its divisors is an integer number (288562873725).

Almost surely, 2^577125747449 is an apocalyptic number.

It is an amenable number.

577125747449 is a deficient number, since it is larger than the sum of its proper divisors (1).

577125747449 is an equidigital number, since it uses as much as digits as its factorization.

577125747449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69148800, while the sum is 62.

The spelling of 577125747449 in words is "five hundred seventy-seven billion, one hundred twenty-five million, seven hundred forty-seven thousand, four hundred forty-nine".