1830618071129 has 2 divisors, whose sum is σ = 1830618071130. Its totient is φ = 1830618071128.

The previous prime is 1830618070993. The next prime is 1830618071213. The reversal of 1830618071129 is 9211708160381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797873359104 + 32744712025 = 1340848^2 + 180955^2 .

It is an emirp because it is prime and its reverse (9211708160381) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1830618071129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1830618071329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915309035564 + 915309035565.

It is an arithmetic number, because the mean of its divisors is an integer number (915309035565).

Almost surely, 2^{1830618071129} is an apocalyptic number.

It is an amenable number.

1830618071129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830618071129 is an equidigital number, since it uses as much as digits as its factorization.

1830618071129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 1830618071129 in words is "one trillion, eight hundred thirty billion, six hundred eighteen million, seventy-one thousand, one hundred twenty-nine".