340143543533 has 4 divisors (see below), whose sum is σ = 340592875260. Its totient is φ = 339694211808.

The previous prime is 340143543527. The next prime is 340143543673. The reversal of 340143543533 is 335345341043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335345341043 = 275981 ⋅1215103.

It can be written as a sum of positive squares in 2 ways, for example, as 183249917929 + 156893625604 = 428077^2 + 396098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340143543533 is a prime.

It is a super-2 number, since 2×340143543533² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340143548533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224664728 + ... + 224666241.

It is an arithmetic number, because the mean of its divisors is an integer number (85148218815).

Almost surely, 2^340143543533 is an apocalyptic number.

It is an amenable number.

340143543533 is a deficient number, since it is larger than the sum of its proper divisors (449331727).

340143543533 is an equidigital number, since it uses as much as digits as its factorization.

340143543533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449331726.

The product of its (nonzero) digits is 388800, while the sum is 38.

Adding to 340143543533 its reverse (335345341043), we get a palindrome (675488884576).

The spelling of 340143543533 in words is "three hundred forty billion, one hundred forty-three million, five hundred forty-three thousand, five hundred thirty-three".