4817817990 has 24 divisors (see below), whose sum is σ = 12526327008. Its totient is φ = 1284751440.

The previous prime is 4817817971. The next prime is 4817818039. The reversal of 4817817990 is 997187184.

4817817990 is a `hidden beast` number, since 481 + 7 + 8 + 1 + 79 + 90 = 666.

It is a super-2 number, since 2×4817817990² = 46422740369535280200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26765566 + ... + 26765745.

It is an arithmetic number, because the mean of its divisors is an integer number (521930292).

Almost surely, 2^4817817990 is an apocalyptic number.

4817817990 is an abundant number, since it is smaller than the sum of its proper divisors (7708509018).

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

4817817990 is a wasteful number, since it uses less digits than its factorization.

4817817990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53531324 (or 53531321 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The square root of 4817817990 is about 69410.5034558892. The cubic root of 4817817990 is about 1688.9500136115.

The spelling of 4817817990 in words is "four billion, eight hundred seventeen million, eight hundred seventeen thousand, nine hundred ninety".