4849949409 has 16 divisors (see below), whose sum is σ = 6632357760. Its totient is φ = 3150611840.

The previous prime is 4849949393. The next prime is 4849949417. The reversal of 4849949409 is 9049499484.

It is a cyclic number.

It is not a de Polignac number, because 4849949409 - 2⁴ = 4849949393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4849949449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79699 + ... + 126695.

It is an arithmetic number, because the mean of its divisors is an integer number (414522360).

Almost surely, 2^4849949409 is an apocalyptic number.

It is an amenable number.

4849949409 is a deficient number, since it is larger than the sum of its proper divisors (1782408351).

4849949409 is a wasteful number, since it uses less digits than its factorization.

4849949409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47880.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The square root of 4849949409 is about 69641.5781627614. The cubic root of 4849949409 is about 1692.6963957503.

The spelling of 4849949409 in words is "four billion, eight hundred forty-nine million, nine hundred forty-nine thousand, four hundred nine".