612607304428 has 12 divisors (see below), whose sum is σ = 1225214608912. Its totient is φ = 262545987600.

The previous prime is 612607304369. The next prime is 612607304429. The reversal of 612607304428 is 824403706216.

612607304428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

612607304428 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (612607304429) 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, 10939416123 + ... + 10939416178.

Almost surely, 2^612607304428 is an apocalyptic number.

It is an amenable number.

612607304428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612607304428 is a wasteful number, since it uses less digits than its factorization.

612607304428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21878832312 (or 21878832310 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 612607304428 in words is "six hundred twelve billion, six hundred seven million, three hundred four thousand, four hundred twenty-eight".