1849283729 has 2 divisors, whose sum is σ = 1849283730. Its totient is φ = 1849283728.

The previous prime is 1849283663. The next prime is 1849283731. The reversal of 1849283729 is 9273829481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012512400 + 836771329 = 31820^2 + 28927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1849283729 - 2²⁰ = 1848235153 is a prime.

Together with 1849283731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1849288729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924641864 + 924641865.

It is an arithmetic number, because the mean of its divisors is an integer number (924641865).

Almost surely, 2^1849283729 is an apocalyptic number.

It is an amenable number.

1849283729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1849283729 is an equidigital number, since it uses as much as digits as its factorization.

1849283729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 1849283729 is about 43003.2990478638. The cubic root of 1849283729 is about 1227.4425742068.

The spelling of 1849283729 in words is "one billion, eight hundred forty-nine million, two hundred eighty-three thousand, seven hundred twenty-nine".