1874575849 has 2 divisors, whose sum is σ = 1874575850. Its totient is φ = 1874575848.

The previous prime is 1874575847. The next prime is 1874575903. The reversal of 1874575849 is 9485754781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1186458025 + 688117824 = 34445^2 + 26232^2 .

It is an emirp because it is prime and its reverse (9485754781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1874575849 - 2¹ = 1874575847 is a prime.

It is a super-2 number, since 2×1874575849² = 7028069227308141602, which contains 22 as substring.

Together with 1874575847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1874575793 and 1874575802.

It is not a weakly prime, because it can be changed into another prime (1874575847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937287924 + 937287925.

It is an arithmetic number, because the mean of its divisors is an integer number (937287925).

Almost surely, 2^1874575849 is an apocalyptic number.

It is an amenable number.

1874575849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1874575849 is an equidigital number, since it uses as much as digits as its factorization.

1874575849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 58.

The square root of 1874575849 is about 43296.3722383296. The cubic root of 1874575849 is about 1233.0130482582.

The spelling of 1874575849 in words is "one billion, eight hundred seventy-four million, five hundred seventy-five thousand, eight hundred forty-nine".