1343541641 has 4 divisors (see below), whose sum is σ = 1446891012. Its totient is φ = 1240192272.

The previous prime is 1343541631. The next prime is 1343541659. The reversal of 1343541641 is 1461453431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1461453431 = 25171 ⋅58061.

It can be written as a sum of positive squares in 2 ways, for example, as 782041225 + 561500416 = 27965^2 + 23696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343541641 - 2¹⁴ = 1343525257 is a prime.

It is a super-2 number, since 2×1343541641² = 3610208282201945762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343541598 and 1343541607.

It is not an unprimeable number, because it can be changed into a prime (1343541611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51674666 + ... + 51674691.

It is an arithmetic number, because the mean of its divisors is an integer number (361722753).

Almost surely, 2^1343541641 is an apocalyptic number.

It is an amenable number.

1343541641 is a deficient number, since it is larger than the sum of its proper divisors (103349371).

1343541641 is a wasteful number, since it uses less digits than its factorization.

1343541641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103349370.

The product of its digits is 17280, while the sum is 32.

The square root of 1343541641 is about 36654.3536431895. The cubic root of 1343541641 is about 1103.4442021485. Note that the first 3 decimals are identical.

The spelling of 1343541641 in words is "one billion, three hundred forty-three million, five hundred forty-one thousand, six hundred forty-one".