1342631263663 has 4 divisors (see below), whose sum is σ = 1342633803408. Its totient is φ = 1342628723920.

The previous prime is 1342631263627. The next prime is 1342631263691. The reversal of 1342631263663 is 3663621362431.

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 1342631263663 - 2²¹ = 1342629166511 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 (1342631263163) 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, 144406 + ... + 1645027.

It is an arithmetic number, because the mean of its divisors is an integer number (335658450852).

Almost surely, 2^{1342631263663} is an apocalyptic number.

1342631263663 is a deficient number, since it is larger than the sum of its proper divisors (2539745).

1342631263663 is an equidigital number, since it uses as much as digits as its factorization.

1342631263663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539744.

The product of its digits is 1679616, while the sum is 46.

The spelling of 1342631263663 in words is "one trillion, three hundred forty-two billion, six hundred thirty-one million, two hundred sixty-three thousand, six hundred sixty-three".