1341993663 has 20 divisors (see below), whose sum is σ = 2058892440. Its totient is φ = 870480432.

The previous prime is 1341993659. The next prime is 1341993671. The reversal of 1341993663 is 3663991431.

It is not a de Polignac number, because 1341993663 - 2² = 1341993659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341993643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 220893 + ... + 226886.

It is an arithmetic number, because the mean of its divisors is an integer number (102944622).

Almost surely, 2^1341993663 is an apocalyptic number.

1341993663 is a deficient number, since it is larger than the sum of its proper divisors (716898777).

1341993663 is an equidigital number, since it uses as much as digits as its factorization.

1341993663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447828 (or 447819 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 1341993663 is about 36633.2316756248. The cubic root of 1341993663 is about 1103.0202570265.

The spelling of 1341993663 in words is "one billion, three hundred forty-one million, nine hundred ninety-three thousand, six hundred sixty-three".