30390139259 has 2 divisors, whose sum is σ = 30390139260. Its totient is φ = 30390139258.

The previous prime is 30390139243. The next prime is 30390139289. The reversal of 30390139259 is 95293109303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30390139259 - 2⁴ = 30390139243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30390139289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15195069629 + 15195069630.

It is an arithmetic number, because the mean of its divisors is an integer number (15195069630).

Almost surely, 2^30390139259 is an apocalyptic number.

30390139259 is a deficient number, since it is larger than the sum of its proper divisors (1).

30390139259 is an equidigital number, since it uses as much as digits as its factorization.

30390139259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 44.

The spelling of 30390139259 in words is "thirty billion, three hundred ninety million, one hundred thirty-nine thousand, two hundred fifty-nine".