30747133439 has 8 divisors (see below), whose sum is σ = 35307713280. Its totient is φ = 26480784600.

The previous prime is 30747133399. The next prime is 30747133441. The reversal of 30747133439 is 93433174703.

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-30747133439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30747133439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30747133489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73557527 + ... + 73557944.

It is an arithmetic number, because the mean of its divisors is an integer number (4413464160).

Almost surely, 2^30747133439 is an apocalyptic number.

30747133439 is a deficient number, since it is larger than the sum of its proper divisors (4560579841).

30747133439 is a wasteful number, since it uses less digits than its factorization.

30747133439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147115501.

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 30747133439 in words is "thirty billion, seven hundred forty-seven million, one hundred thirty-three thousand, four hundred thirty-nine".