1427450547247 has 2 divisors, whose sum is σ = 1427450547248. Its totient is φ = 1427450547246.

The previous prime is 1427450547241. The next prime is 1427450547269. The reversal of 1427450547247 is 7427450547241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427450547247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1427450547194 and 1427450547203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427450547241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713725273623 + 713725273624.

It is an arithmetic number, because the mean of its divisors is an integer number (713725273624).

Almost surely, 2^{1427450547247} is an apocalyptic number.

1427450547247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427450547247 is an equidigital number, since it uses as much as digits as its factorization.

1427450547247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8780800, while the sum is 52.

The spelling of 1427450547247 in words is "one trillion, four hundred twenty-seven billion, four hundred fifty million, five hundred forty-seven thousand, two hundred forty-seven".