4272403891 has 4 divisors (see below), whose sum is σ = 4882747312. Its totient is φ = 3662060472.

The previous prime is 4272403879. The next prime is 4272403903. The reversal of 4272403891 is 1983042724.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4272403879) and next prime (4272403903).

It is not a de Polignac number, because 4272403891 - 2⁷ = 4272403763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4272403871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305171700 + ... + 305171713.

It is an arithmetic number, because the mean of its divisors is an integer number (1220686828).

Almost surely, 2^4272403891 is an apocalyptic number.

4272403891 is a deficient number, since it is larger than the sum of its proper divisors (610343421).

4272403891 is an equidigital number, since it uses as much as digits as its factorization.

4272403891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610343420.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 4272403891 is about 65363.6281964213. The cubic root of 4272403891 is about 1622.6471848263.

The spelling of 4272403891 in words is "four billion, two hundred seventy-two million, four hundred three thousand, eight hundred ninety-one".