1343953451 has 8 divisors (see below), whose sum is σ = 1361726400. Its totient is φ = 1326199680.

The previous prime is 1343953421. The next prime is 1343953463. The reversal of 1343953451 is 1543593431.

It is a happy number.

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 1343953451 - 2²⁶ = 1276844587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343953421) 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, 185171 + ... + 192291.

It is an arithmetic number, because the mean of its divisors is an integer number (170215800).

Almost surely, 2^1343953451 is an apocalyptic number.

1343953451 is a deficient number, since it is larger than the sum of its proper divisors (17772949).

1343953451 is an equidigital number, since it uses as much as digits as its factorization.

1343953451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589.

The product of its digits is 97200, while the sum is 38.

The square root of 1343953451 is about 36659.9706901138. The cubic root of 1343953451 is about 1103.5569298139.

The spelling of 1343953451 in words is "one billion, three hundred forty-three million, nine hundred fifty-three thousand, four hundred fifty-one".