421611040343 has 8 divisors (see below), whose sum is σ = 422509744128. Its totient is φ = 420712472664.

The previous prime is 421611040337. The next prime is 421611040381. The reversal of 421611040343 is 343040116124.

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 421611040343 - 2³⁴ = 404431171159 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 (421611040243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8342930 + ... + 8393312.

It is an arithmetic number, because the mean of its divisors is an integer number (52813718016).

Almost surely, 2^421611040343 is an apocalyptic number.

421611040343 is a deficient number, since it is larger than the sum of its proper divisors (898703785).

421611040343 is a wasteful number, since it uses less digits than its factorization.

421611040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68053.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 421611040343 its reverse (343040116124), we get a palindrome (764651156467).

The spelling of 421611040343 in words is "four hundred twenty-one billion, six hundred eleven million, forty thousand, three hundred forty-three".