4125649955 has 32 divisors (see below), whose sum is σ = 5992233984. Its totient is φ = 2665593216.

The previous prime is 4125649937. The next prime is 4125650003. The reversal of 4125649955 is 5599465214.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4125649955 - 2²⁰ = 4124601379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15689 + ... + 92181.

It is an arithmetic number, because the mean of its divisors is an integer number (187257312).

Almost surely, 2^4125649955 is an apocalyptic number.

4125649955 is a deficient number, since it is larger than the sum of its proper divisors (1866584029).

4125649955 is a wasteful number, since it uses less digits than its factorization.

4125649955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76595.

The product of its digits is 1944000, while the sum is 50.

The square root of 4125649955 is about 64231.2225868386. Note that the first 3 decimals coincide. The cubic root of 4125649955 is about 1603.8513930177.

The spelling of 4125649955 in words is "four billion, one hundred twenty-five million, six hundred forty-nine thousand, nine hundred fifty-five".