4912805149 has 4 divisors (see below), whose sum is σ = 5614634464. Its totient is φ = 4210975836.

The previous prime is 4912805147. The next prime is 4912805189. The reversal of 4912805149 is 9415082194.

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.

It is a cyclic number.

It is not a de Polignac number, because 4912805149 - 2¹ = 4912805147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4912805141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350914647 + ... + 350914660.

It is an arithmetic number, because the mean of its divisors is an integer number (1403658616).

Almost surely, 2^4912805149 is an apocalyptic number.

It is an amenable number.

4912805149 is a deficient number, since it is larger than the sum of its proper divisors (701829315).

4912805149 is an equidigital number, since it uses as much as digits as its factorization.

4912805149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701829314.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 4912805149 is about 70091.4056714516. The cubic root of 4912805149 is about 1699.9775255391.

The spelling of 4912805149 in words is "four billion, nine hundred twelve million, eight hundred five thousand, one hundred forty-nine".