1675091849 has 2 divisors, whose sum is σ = 1675091850. Its totient is φ = 1675091848.

The previous prime is 1675091809. The next prime is 1675091893. The reversal of 1675091849 is 9481905761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361093449 + 313998400 = 36893^2 + 17720^2 .

It is an emirp because it is prime and its reverse (9481905761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1675091849 - 2¹² = 1675087753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1675091797 and 1675091806.

It is not a weakly prime, because it can be changed into another prime (1675091809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837545924 + 837545925.

It is an arithmetic number, because the mean of its divisors is an integer number (837545925).

Almost surely, 2^1675091849 is an apocalyptic number.

It is an amenable number.

1675091849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675091849 is an equidigital number, since it uses as much as digits as its factorization.

1675091849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 1675091849 is about 40927.8859581093. The cubic root of 1675091849 is about 1187.6255761420.

The spelling of 1675091849 in words is "one billion, six hundred seventy-five million, ninety-one thousand, eight hundred forty-nine".