612332849621 has 8 divisors (see below), whose sum is σ = 642902221920. Its totient is φ = 582393773808.

The previous prime is 612332849599. The next prime is 612332849663. The reversal of 612332849621 is 126948233216.

612332849621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612332849621 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 (612332849221) 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, 157572131 + ... + 157576016.

It is an arithmetic number, because the mean of its divisors is an integer number (80362777740).

Almost surely, 2^612332849621 is an apocalyptic number.

It is an amenable number.

612332849621 is a deficient number, since it is larger than the sum of its proper divisors (30569372299).

612332849621 is a wasteful number, since it uses less digits than its factorization.

612332849621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315148243.

The product of its digits is 746496, while the sum is 47.

The spelling of 612332849621 in words is "six hundred twelve billion, three hundred thirty-two million, eight hundred forty-nine thousand, six hundred twenty-one".