4919218946 has 8 divisors (see below), whose sum is σ = 7388376444. Its totient is φ = 2456426800.

The previous prime is 4919218861. The next prime is 4919218949. The reversal of 4919218946 is 6498129194.

It can be written as a sum of positive squares in 2 ways, for example, as 4226950225 + 692268721 = 65015^2 + 26311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4919218949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589405 + ... + 1592496.

Almost surely, 2^4919218946 is an apocalyptic number.

4919218946 is a deficient number, since it is larger than the sum of its proper divisors (2469157498).

4919218946 is a wasteful number, since it uses less digits than its factorization.

4919218946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182676.

The product of its digits is 1119744, while the sum is 53.

The square root of 4919218946 is about 70137.1438397658. The cubic root of 4919218946 is about 1700.7169923683.

The spelling of 4919218946 in words is "four billion, nine hundred nineteen million, two hundred eighteen thousand, nine hundred forty-six".