1425204664097 has 2 divisors, whose sum is σ = 1425204664098. Its totient is φ = 1425204664096.

The previous prime is 1425204664069. The next prime is 1425204664141. The reversal of 1425204664097 is 7904664025241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837085925776 + 588118738321 = 914924^2 + 766889^2 .

It is an emirp because it is prime and its reverse (7904664025241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425204664097 - 2⁶ = 1425204664033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425204664027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712602332048 + 712602332049.

It is an arithmetic number, because the mean of its divisors is an integer number (712602332049).

Almost surely, 2^{1425204664097} is an apocalyptic number.

It is an amenable number.

1425204664097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425204664097 is an equidigital number, since it uses as much as digits as its factorization.

1425204664097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 1425204664097 in words is "one trillion, four hundred twenty-five billion, two hundred four million, six hundred sixty-four thousand, ninety-seven".