1447400311057 has 2 divisors, whose sum is σ = 1447400311058. Its totient is φ = 1447400311056.

The previous prime is 1447400311009. The next prime is 1447400311081. The reversal of 1447400311057 is 7501130047441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 793398151441 + 654002159616 = 890729^2 + 808704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447400311057 - 2¹⁹ = 1447399786769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1447400311457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723700155528 + 723700155529.

It is an arithmetic number, because the mean of its divisors is an integer number (723700155529).

Almost surely, 2^{1447400311057} is an apocalyptic number.

It is an amenable number.

1447400311057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447400311057 is an equidigital number, since it uses as much as digits as its factorization.

1447400311057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 1447400311057 its reverse (7501130047441), we get a palindrome (8948530358498).

The spelling of 1447400311057 in words is "one trillion, four hundred forty-seven billion, four hundred million, three hundred eleven thousand, fifty-seven".