305442054346019 has 2 divisors, whose sum is σ = 305442054346020. Its totient is φ = 305442054346018.

The previous prime is 305442054346007. The next prime is 305442054346057. The reversal of 305442054346019 is 910643450244503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 305442054346019 - 2²⁰ = 305442053297443 is a prime.

It is a super-2 number, since 2×305442054346019² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (305442054346619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152721027173009 + 152721027173010.

It is an arithmetic number, because the mean of its divisors is an integer number (152721027173010).

Almost surely, 2^{305442054346019} is an apocalyptic number.

305442054346019 is a deficient number, since it is larger than the sum of its proper divisors (1).

305442054346019 is an equidigital number, since it uses as much as digits as its factorization.

305442054346019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 305442054346019 in words is "three hundred five trillion, four hundred forty-two billion, fifty-four million, three hundred forty-six thousand, nineteen".