4919127918 has 32 divisors (see below), whose sum is σ = 9972288000. Its totient is φ = 1617410496.

The previous prime is 4919127907. The next prime is 4919127919. The reversal of 4919127918 is 8197219194.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919127919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561133 + ... + 569831.

It is an arithmetic number, because the mean of its divisors is an integer number (311634000).

Almost surely, 2^4919127918 is an apocalyptic number.

4919127918 is an abundant number, since it is smaller than the sum of its proper divisors (5053160082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4919127918 is a wasteful number, since it uses less digits than its factorization.

4919127918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976.

The product of its digits is 326592, while the sum is 51.

The square root of 4919127918 is about 70136.4949081432. The cubic root of 4919127918 is about 1700.7065019617.

The spelling of 4919127918 in words is "four billion, nine hundred nineteen million, one hundred twenty-seven thousand, nine hundred eighteen".