1343465643 has 8 divisors (see below), whose sum is σ = 1929078928. Its totient is φ = 826748064.

The previous prime is 1343465611. The next prime is 1343465659. The reversal of 1343465643 is 3465643431.

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

It is not a de Polignac number, because 1343465643 - 2⁵ = 1343465611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 34447837 = 1343465643 / (1 + 3 + 4 + 3 + 4 + 6 + 5 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343465603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17223880 + ... + 17223957.

It is an arithmetic number, because the mean of its divisors is an integer number (241134866).

Almost surely, 2^1343465643 is an apocalyptic number.

1343465643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1343465643 is a deficient number, since it is larger than the sum of its proper divisors (585613285).

1343465643 is a wasteful number, since it uses less digits than its factorization.

1343465643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34447853.

The product of its digits is 311040, while the sum is 39.

The square root of 1343465643 is about 36653.3169440366. The cubic root of 1343465643 is about 1103.4233961606.

The spelling of 1343465643 in words is "one billion, three hundred forty-three million, four hundred sixty-five thousand, six hundred forty-three".