1834537321 has 2 divisors, whose sum is σ = 1834537322. Its totient is φ = 1834537320.

The previous prime is 1834537273. The next prime is 1834537349. The reversal of 1834537321 is 1237354381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1160356096 + 674181225 = 34064^2 + 25965^2 .

It is an emirp because it is prime and its reverse (1237354381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1834537321 - 2⁷ = 1834537193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1834532321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 917268660 + 917268661.

It is an arithmetic number, because the mean of its divisors is an integer number (917268661).

Almost surely, 2^1834537321 is an apocalyptic number.

It is an amenable number.

1834537321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1834537321 is an equidigital number, since it uses as much as digits as its factorization.

1834537321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 1834537321 is about 42831.4991682523. The cubic root of 1834537321 is about 1224.1712725518.

The spelling of 1834537321 in words is "one billion, eight hundred thirty-four million, five hundred thirty-seven thousand, three hundred twenty-one".