1425631016273 has 2 divisors, whose sum is σ = 1425631016274. Its totient is φ = 1425631016272.

The previous prime is 1425631016261. The next prime is 1425631016279. The reversal of 1425631016273 is 3726101365241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1395630351424 + 30000664849 = 1181368^2 + 173207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425631016273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425631016273.

It is not a weakly prime, because it can be changed into another prime (1425631016279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712815508136 + 712815508137.

It is an arithmetic number, because the mean of its divisors is an integer number (712815508137).

Almost surely, 2^{1425631016273} is an apocalyptic number.

It is an amenable number.

1425631016273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425631016273 is an equidigital number, since it uses as much as digits as its factorization.

1425631016273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 1425631016273 in words is "one trillion, four hundred twenty-five billion, six hundred thirty-one million, sixteen thousand, two hundred seventy-three".