611421210973 has 8 divisors (see below), whose sum is σ = 613043625600. Its totient is φ = 609799574208.

The previous prime is 611421210949. The next prime is 611421210989. The reversal of 611421210973 is 379012124116.

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 611421210973 - 2⁹ = 611421210461 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 (611421210913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396908 + ... + 1781626.

It is an arithmetic number, because the mean of its divisors is an integer number (76630453200).

Almost surely, 2^611421210973 is an apocalyptic number.

It is an amenable number.

611421210973 is a deficient number, since it is larger than the sum of its proper divisors (1622414627).

611421210973 is a wasteful number, since it uses less digits than its factorization.

611421210973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388931.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 611421210973 in words is "six hundred eleven billion, four hundred twenty-one million, two hundred ten thousand, nine hundred seventy-three".