1830212093 has 2 divisors, whose sum is σ = 1830212094. Its totient is φ = 1830212092.

The previous prime is 1830212023. The next prime is 1830212117. The reversal of 1830212093 is 3902120381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1391812249 + 438399844 = 37307^2 + 20938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830212093 - 2¹⁰ = 1830211069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915106046 + 915106047.

It is an arithmetic number, because the mean of its divisors is an integer number (915106047).

Almost surely, 2^1830212093 is an apocalyptic number.

It is an amenable number.

1830212093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830212093 is an equidigital number, since it uses as much as digits as its factorization.

1830212093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1830212093 is about 42780.9781678727. The cubic root of 1830212093 is about 1223.2084527709.

The spelling of 1830212093 in words is "one billion, eight hundred thirty million, two hundred twelve thousand, ninety-three".