1371423656663 has 8 divisors (see below), whose sum is σ = 1396500849360. Its totient is φ = 1346407554880.

The previous prime is 1371423656633. The next prime is 1371423656689. The reversal of 1371423656663 is 3666563241731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1371423656663 - 2⁴⁰ = 271912028887 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 (1371423656633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15227420 + ... + 15317217.

It is an arithmetic number, because the mean of its divisors is an integer number (174562606170).

Almost surely, 2^{1371423656663} is an apocalyptic number.

1371423656663 is a deficient number, since it is larger than the sum of its proper divisors (25077192697).

1371423656663 is an equidigital number, since it uses as much as digits as its factorization.

1371423656663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30545457.

The product of its digits is 9797760, while the sum is 53.

The spelling of 1371423656663 in words is "one trillion, three hundred seventy-one billion, four hundred twenty-three million, six hundred fifty-six thousand, six hundred sixty-three".