1830855233309 has 2 divisors, whose sum is σ = 1830855233310. Its totient is φ = 1830855233308.

The previous prime is 1830855233299. The next prime is 1830855233323. The reversal of 1830855233309 is 9033325580381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782772392025 + 48082841284 = 1335205^2 + 219278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830855233309 - 2⁴ = 1830855233293 is a prime.

It is a super-4 number, since 4×1830855233309⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830855235309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915427616654 + 915427616655.

It is an arithmetic number, because the mean of its divisors is an integer number (915427616655).

Almost surely, 2^{1830855233309} is an apocalyptic number.

It is an amenable number.

1830855233309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830855233309 is an equidigital number, since it uses as much as digits as its factorization.

1830855233309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 1830855233309 in words is "one trillion, eight hundred thirty billion, eight hundred fifty-five million, two hundred thirty-three thousand, three hundred nine".