4272218738 has 8 divisors (see below), whose sum is σ = 6445370988. Its totient is φ = 2123761744.

The previous prime is 4272218681. The next prime is 4272218749. The reversal of 4272218738 is 8378122724.

It can be written as a sum of positive squares in 2 ways, for example, as 4220191369 + 52027369 = 64963^2 + 7213^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6173381 + ... + 6174072.

Almost surely, 2^4272218738 is an apocalyptic number.

4272218738 is a deficient number, since it is larger than the sum of its proper divisors (2173152250).

4272218738 is a wasteful number, since it uses less digits than its factorization.

4272218738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12347628.

The product of its digits is 301056, while the sum is 44.

The square root of 4272218738 is about 65362.2118505792. The cubic root of 4272218738 is about 1622.6237442885.

The spelling of 4272218738 in words is "four billion, two hundred seventy-two million, two hundred eighteen thousand, seven hundred thirty-eight".