4919371998 has 32 divisors (see below), whose sum is σ = 9928638720. Its totient is φ = 1624846080.

The previous prime is 4919371943. The next prime is 4919371999. The reversal of 4919371998 is 8991739194.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919371999) 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, 567118 + ... + 575726.

It is an arithmetic number, because the mean of its divisors is an integer number (310269960).

Almost surely, 2^4919371998 is an apocalyptic number.

4919371998 is an abundant number, since it is smaller than the sum of its proper divisors (5009266722).

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

4919371998 is a wasteful number, since it uses less digits than its factorization.

4919371998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472.

The product of its digits is 4408992, while the sum is 60.

The square root of 4919371998 is about 70138.2349221878. The cubic root of 4919371998 is about 1700.7346303606.

The spelling of 4919371998 in words is "four billion, nine hundred nineteen million, three hundred seventy-one thousand, nine hundred ninety-eight".