1425664633271 has 2 divisors, whose sum is σ = 1425664633272. Its totient is φ = 1425664633270.

The previous prime is 1425664633249. The next prime is 1425664633273. The reversal of 1425664633271 is 1723364665241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425664633271 - 2²² = 1425660438967 is a prime.

Together with 1425664633273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425664633273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712832316635 + 712832316636.

It is an arithmetic number, because the mean of its divisors is an integer number (712832316636).

Almost surely, 2^{1425664633271} is an apocalyptic number.

1425664633271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425664633271 is an equidigital number, since it uses as much as digits as its factorization.

1425664633271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 50.

The spelling of 1425664633271 in words is "one trillion, four hundred twenty-five billion, six hundred sixty-four million, six hundred thirty-three thousand, two hundred seventy-one".