1343863997 has 8 divisors (see below), whose sum is σ = 1568522496. Its totient is φ = 1127374992.

The previous prime is 1343863909. The next prime is 1343864021. The reversal of 1343863997 is 7993683431.

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 1343863997 - 2¹² = 1343859901 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 (1343868997) 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, 2042018 + ... + 2042675.

It is an arithmetic number, because the mean of its divisors is an integer number (196065312).

Almost surely, 2^1343863997 is an apocalyptic number.

It is an amenable number.

1343863997 is a deficient number, since it is larger than the sum of its proper divisors (224658499).

1343863997 is an equidigital number, since it uses as much as digits as its factorization.

1343863997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084747.

The product of its digits is 2939328, while the sum is 53.

The square root of 1343863997 is about 36658.7506197361. The cubic root of 1343863997 is about 1103.5324448955.

The spelling of 1343863997 in words is "one billion, three hundred forty-three million, eight hundred sixty-three thousand, nine hundred ninety-seven".