30419121679 has 2 divisors, whose sum is σ = 30419121680. Its totient is φ = 30419121678.

The previous prime is 30419121653. The next prime is 30419121697. The reversal of 30419121679 is 97612191403.

Together with next prime (30419121697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30419121679 - 2⁹ = 30419121167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30419121079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15209560839 + 15209560840.

It is an arithmetic number, because the mean of its divisors is an integer number (15209560840).

Almost surely, 2^30419121679 is an apocalyptic number.

30419121679 is a deficient number, since it is larger than the sum of its proper divisors (1).

30419121679 is an equidigital number, since it uses as much as digits as its factorization.

30419121679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 30419121679 in words is "thirty billion, four hundred nineteen million, one hundred twenty-one thousand, six hundred seventy-nine".