30497420339 has 2 divisors, whose sum is σ = 30497420340. Its totient is φ = 30497420338.

The previous prime is 30497420273. The next prime is 30497420341. The reversal of 30497420339 is 93302479403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30497420339 is a prime.

It is a Sophie Germain prime.

Together with 30497420341, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30497420339.

It is not a weakly prime, because it can be changed into another prime (30497420389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15248710169 + 15248710170.

It is an arithmetic number, because the mean of its divisors is an integer number (15248710170).

Almost surely, 2^30497420339 is an apocalyptic number.

30497420339 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497420339 is an equidigital number, since it uses as much as digits as its factorization.

30497420339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 30497420339 in words is "thirty billion, four hundred ninety-seven million, four hundred twenty thousand, three hundred thirty-nine".