1084239047819 has 2 divisors, whose sum is σ = 1084239047820. Its totient is φ = 1084239047818.

The previous prime is 1084239047783. The next prime is 1084239047833. The reversal of 1084239047819 is 9187409324801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1084239047819 - 2³⁶ = 1015519571083 is a prime.

It is a super-2 number, since 2×1084239047819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1084239047839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542119523909 + 542119523910.

It is an arithmetic number, because the mean of its divisors is an integer number (542119523910).

Almost surely, 2^{1084239047819} is an apocalyptic number.

1084239047819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084239047819 is an equidigital number, since it uses as much as digits as its factorization.

1084239047819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 1084239047819 in words is "one trillion, eighty-four billion, two hundred thirty-nine million, forty-seven thousand, eight hundred nineteen".