1830518941 has 2 divisors, whose sum is σ = 1830518942. Its totient is φ = 1830518940.

The previous prime is 1830518909. The next prime is 1830518999. The reversal of 1830518941 is 1498150381.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1830042841 + 476100 = 42779^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830518941 - 2⁵ = 1830518909 is a prime.

It is a super-2 number, since 2×1830518941² = 6701599186719522962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1830518894 and 1830518903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830218941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915259470 + 915259471.

It is an arithmetic number, because the mean of its divisors is an integer number (915259471).

Almost surely, 2^1830518941 is an apocalyptic number.

It is an amenable number.

1830518941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830518941 is an equidigital number, since it uses as much as digits as its factorization.

1830518941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1830518941 is about 42784.5642843304. The cubic root of 1830518941 is about 1223.2768087999.

The spelling of 1830518941 in words is "one billion, eight hundred thirty million, five hundred eighteen thousand, nine hundred forty-one".