30089999939 has 2 divisors, whose sum is σ = 30089999940. Its totient is φ = 30089999938.

The previous prime is 30089999923. The next prime is 30089999981. The reversal of 30089999939 is 93999998003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30089999939 - 2⁴ = 30089999923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30089999239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15044999969 + 15044999970.

It is an arithmetic number, because the mean of its divisors is an integer number (15044999970).

Almost surely, 2^30089999939 is an apocalyptic number.

30089999939 is a deficient number, since it is larger than the sum of its proper divisors (1).

30089999939 is an equidigital number, since it uses as much as digits as its factorization.

30089999939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38263752, while the sum is 68.

The spelling of 30089999939 in words is "thirty billion, eighty-nine million, nine hundred ninety-nine thousand, nine hundred thirty-nine".