4920915218 has 6 divisors (see below), whose sum is σ = 7381521639. Its totient is φ = 2460408006.

The previous prime is 4920915211. The next prime is 4920915247. The reversal of 4920915218 is 8125190294.

It can be written as a sum of positive squares in only one way, i.e., 2460457609 + 2460457609 = 49603^2 + 49603^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=49603.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4920915211) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 74405 + ... + 124007.

Almost surely, 2^4920915218 is an apocalyptic number.

4920915218 is a deficient number, since it is larger than the sum of its proper divisors (2460606421).

4920915218 is an frugal number, since it uses more digits than its factorization.

4920915218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99208 (or 49605 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 4920915218 is about 70149.2353343926. The cubic root of 4920915218 is about 1700.9124534172.

The spelling of 4920915218 in words is "four billion, nine hundred twenty million, nine hundred fifteen thousand, two hundred eighteen".