1425312443663 has 4 divisors (see below), whose sum is σ = 1426786397520. Its totient is φ = 1423838489808.

The previous prime is 1425312443563. The next prime is 1425312443671. The reversal of 1425312443663 is 3663442135241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425312443663 - 2¹⁸ = 1425312181519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425312443263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736975478 + ... + 736977411.

It is an arithmetic number, because the mean of its divisors is an integer number (356696599380).

Almost surely, 2^{1425312443663} is an apocalyptic number.

1425312443663 is a deficient number, since it is larger than the sum of its proper divisors (1473953857).

1425312443663 is an equidigital number, since it uses as much as digits as its factorization.

1425312443663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473953856.

The product of its digits is 1244160, while the sum is 44.

The spelling of 1425312443663 in words is "one trillion, four hundred twenty-five billion, three hundred twelve million, four hundred forty-three thousand, six hundred sixty-three".