1834350997 has 4 divisors (see below), whose sum is σ = 1837955340. Its totient is φ = 1830746656.

The previous prime is 1834350989. The next prime is 1834351021. The reversal of 1834350997 is 7990534381.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 631717956 + 1202633041 = 25134^2 + 34679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1834350997 - 2³ = 1834350989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1834350997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834350097) 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 in 3 ways as a sum of consecutive naturals, for example, 1801408 + ... + 1802425.

It is an arithmetic number, because the mean of its divisors is an integer number (459488835).

Almost surely, 2^1834350997 is an apocalyptic number.

It is an amenable number.

1834350997 is a deficient number, since it is larger than the sum of its proper divisors (3604343).

1834350997 is an equidigital number, since it uses as much as digits as its factorization.

1834350997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604342.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1834350997 is about 42829.3240315558. The cubic root of 1834350997 is about 1224.1298270043.

The spelling of 1834350997 in words is "one billion, eight hundred thirty-four million, three hundred fifty thousand, nine hundred ninety-seven".