30422644639 has 8 divisors (see below), whose sum is σ = 31000676400. Its totient is φ = 29844761856.

The previous prime is 30422644631. The next prime is 30422644649. The reversal of 30422644639 is 93644622403.

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 30422644639 - 2³ = 30422644631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30422644595 and 30422644604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422644631) 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, 430212 + ... + 495910.

It is an arithmetic number, because the mean of its divisors is an integer number (3875084550).

Almost surely, 2^30422644639 is an apocalyptic number.

30422644639 is a deficient number, since it is larger than the sum of its proper divisors (578031761).

30422644639 is an equidigital number, since it uses as much as digits as its factorization.

30422644639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74489.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 30422644639 in words is "thirty billion, four hundred twenty-two million, six hundred forty-four thousand, six hundred thirty-nine".