611421033243 has 8 divisors (see below), whose sum is σ = 815234198800. Its totient is φ = 407610944928.

The previous prime is 611421033217. The next prime is 611421033263. The reversal of 611421033243 is 342330124116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611421033243 - 2⁹ = 611421032731 is a prime.

It is a super-2 number, since 2×611421033243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611421033243.

It is not an unprimeable number, because it can be changed into a prime (611421033263) 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 7 ways as a sum of consecutive naturals, for example, 256948 + ... + 1135281.

It is an arithmetic number, because the mean of its divisors is an integer number (101904274850).

Almost surely, 2^611421033243 is an apocalyptic number.

611421033243 is a deficient number, since it is larger than the sum of its proper divisors (203813165557).

611421033243 is a wasteful number, since it uses less digits than its factorization.

611421033243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538621.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 611421033243 its reverse (342330124116), we get a palindrome (953751157359).

The spelling of 611421033243 in words is "six hundred eleven billion, four hundred twenty-one million, thirty-three thousand, two hundred forty-three".