1852020349 has 2 divisors, whose sum is σ = 1852020350. Its totient is φ = 1852020348.

The previous prime is 1852020281. The next prime is 1852020367. The reversal of 1852020349 is 9430202581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635636249 + 216384100 = 40443^2 + 14710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1852020349 is a prime.

It is a super-2 number, since 2×1852020349² = 6859958746220163602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1852021349) 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, 926010174 + 926010175.

It is an arithmetic number, because the mean of its divisors is an integer number (926010175).

Almost surely, 2^1852020349 is an apocalyptic number.

It is an amenable number.

1852020349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1852020349 is an equidigital number, since it uses as much as digits as its factorization.

1852020349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1852020349 is about 43035.1060066081. The cubic root of 1852020349 is about 1228.0477433453.

The spelling of 1852020349 in words is "one billion, eight hundred fifty-two million, twenty thousand, three hundred forty-nine".