1830725312069 has 2 divisors, whose sum is σ = 1830725312070. Its totient is φ = 1830725312068.

The previous prime is 1830725312023. The next prime is 1830725312159. The reversal of 1830725312069 is 9602135270381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1531374075169 + 299351236900 = 1237487^2 + 547130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1830725312069 is a prime.

It is a super-2 number, since 2×1830725312069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830745312069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915362656034 + 915362656035.

It is an arithmetic number, because the mean of its divisors is an integer number (915362656035).

Almost surely, 2^{1830725312069} is an apocalyptic number.

It is an amenable number.

1830725312069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830725312069 is an equidigital number, since it uses as much as digits as its factorization.

1830725312069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 1830725312069 in words is "one trillion, eight hundred thirty billion, seven hundred twenty-five million, three hundred twelve thousand, sixty-nine".