30434247919 has 2 divisors, whose sum is σ = 30434247920. Its totient is φ = 30434247918.

The previous prime is 30434247827. The next prime is 30434247967. The reversal of 30434247919 is 91974243403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30434247919 - 2²¹ = 30432150767 is a prime.

It is a super-2 number, since 2×30434247919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30434247989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15217123959 + 15217123960.

It is an arithmetic number, because the mean of its divisors is an integer number (15217123960).

Almost surely, 2^30434247919 is an apocalyptic number.

30434247919 is a deficient number, since it is larger than the sum of its proper divisors (1).

30434247919 is an equidigital number, since it uses as much as digits as its factorization.

30434247919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 30434247919 in words is "thirty billion, four hundred thirty-four million, two hundred forty-seven thousand, nine hundred nineteen".