30645347039 has 4 divisors (see below), whose sum is σ = 31977753456. Its totient is φ = 29312940624.

The previous prime is 30645347009. The next prime is 30645347059. The reversal of 30645347039 is 93074354603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30645347039 - 2¹² = 30645342943 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 (30645347009) 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, 666203174 + ... + 666203219.

It is an arithmetic number, because the mean of its divisors is an integer number (7994438364).

Almost surely, 2^30645347039 is an apocalyptic number.

30645347039 is a deficient number, since it is larger than the sum of its proper divisors (1332406417).

30645347039 is a wasteful number, since it uses less digits than its factorization.

30645347039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332406416.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 30645347039 in words is "thirty billion, six hundred forty-five million, three hundred forty-seven thousand, thirty-nine".