4021011340343 has 4 divisors (see below), whose sum is σ = 4022054949528. Its totient is φ = 4019967731160.

The previous prime is 4021011340319. The next prime is 4021011340387. The reversal of 4021011340343 is 3430431101204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4021011340343 - 2²⁴ = 4020994563127 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 (4021011340393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521798813 + ... + 521806518.

It is an arithmetic number, because the mean of its divisors is an integer number (1005513737382).

Almost surely, 2^{4021011340343} is an apocalyptic number.

4021011340343 is a deficient number, since it is larger than the sum of its proper divisors (1043609185).

4021011340343 is a wasteful number, since it uses less digits than its factorization.

4021011340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043609184.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 4021011340343 its reverse (3430431101204), we get a palindrome (7451442441547).

The spelling of 4021011340343 in words is "four trillion, twenty-one billion, eleven million, three hundred forty thousand, three hundred forty-three".