5849121649 has 4 divisors (see below), whose sum is σ = 6684710464. Its totient is φ = 5013532836.

The previous prime is 5849121637. The next prime is 5849121661. The reversal of 5849121649 is 9461219485.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9461219485 = 5 ⋅1892243897.

It is an interprime number because it is at equal distance from previous prime (5849121637) and next prime (5849121661).

It is a cyclic number.

It is not a de Polignac number, because 5849121649 - 2⁵ = 5849121617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5849121449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417794397 + ... + 417794410.

It is an arithmetic number, because the mean of its divisors is an integer number (1671177616).

Almost surely, 2^5849121649 is an apocalyptic number.

It is an amenable number.

5849121649 is a deficient number, since it is larger than the sum of its proper divisors (835588815).

5849121649 is an equidigital number, since it uses as much as digits as its factorization.

5849121649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835588814.

The product of its digits is 622080, while the sum is 49.

The square root of 5849121649 is about 76479.5505282294. The cubic root of 5849121649 is about 1801.7597655316.

The spelling of 5849121649 in words is "five billion, eight hundred forty-nine million, one hundred twenty-one thousand, six hundred forty-nine".