1427502074549 has 2 divisors, whose sum is σ = 1427502074550. Its totient is φ = 1427502074548.

The previous prime is 1427502074507. The next prime is 1427502074567. The reversal of 1427502074549 is 9454702057241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1189375642225 + 238126432324 = 1090585^2 + 487982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427502074549 - 2³² = 1423207107253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1427502074497 and 1427502074506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427502074569) 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, 713751037274 + 713751037275.

It is an arithmetic number, because the mean of its divisors is an integer number (713751037275).

Almost surely, 2^{1427502074549} is an apocalyptic number.

It is an amenable number.

1427502074549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427502074549 is an equidigital number, since it uses as much as digits as its factorization.

1427502074549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 1427502074549 in words is "one trillion, four hundred twenty-seven billion, five hundred two million, seventy-four thousand, five hundred forty-nine".