30347734939 has 2 divisors, whose sum is σ = 30347734940. Its totient is φ = 30347734938.

The previous prime is 30347734931. The next prime is 30347734957. The reversal of 30347734939 is 93943774303.

It is a weak prime.

It is an emirp because it is prime and its reverse (93943774303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30347734939 - 2³ = 30347734931 is a prime.

It is not a weakly prime, because it can be changed into another prime (30347734931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15173867469 + 15173867470.

It is an arithmetic number, because the mean of its divisors is an integer number (15173867470).

Almost surely, 2^30347734939 is an apocalyptic number.

30347734939 is a deficient number, since it is larger than the sum of its proper divisors (1).

30347734939 is an equidigital number, since it uses as much as digits as its factorization.

30347734939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 52.

The spelling of 30347734939 in words is "thirty billion, three hundred forty-seven million, seven hundred thirty-four thousand, nine hundred thirty-nine".