4811553949 has 2 divisors, whose sum is σ = 4811553950. Its totient is φ = 4811553948.

The previous prime is 4811553919. The next prime is 4811553959. The reversal of 4811553949 is 9493551184.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4708429924 + 103124025 = 68618^2 + 10155^2 .

It is a cyclic number.

It is not a de Polignac number, because 4811553949 - 2⁵ = 4811553917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4811553919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405776974 + 2405776975.

It is an arithmetic number, because the mean of its divisors is an integer number (2405776975).

Almost surely, 2^4811553949 is an apocalyptic number.

It is an amenable number.

4811553949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4811553949 is an equidigital number, since it uses as much as digits as its factorization.

4811553949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 49.

The square root of 4811553949 is about 69365.3656301183. The cubic root of 4811553949 is about 1688.2177152538.

The spelling of 4811553949 in words is "four billion, eight hundred eleven million, five hundred fifty-three thousand, nine hundred forty-nine".