11454310019 has 2 divisors, whose sum is σ = 11454310020. Its totient is φ = 11454310018.

The previous prime is 11454310013. The next prime is 11454310079. The reversal of 11454310019 is 91001345411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11454310019 is a prime.

It is a super-2 number, since 2×11454310019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11454309973 and 11454310000.

It is not a weakly prime, because it can be changed into another prime (11454310013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727155009 + 5727155010.

It is an arithmetic number, because the mean of its divisors is an integer number (5727155010).

Almost surely, 2^11454310019 is an apocalyptic number.

11454310019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454310019 is an equidigital number, since it uses as much as digits as its factorization.

11454310019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 11454310019 in words is "eleven billion, four hundred fifty-four million, three hundred ten thousand, nineteen".