4272438965 has 4 divisors (see below), whose sum is σ = 5126926764. Its totient is φ = 3417951168.

The previous prime is 4272438943. The next prime is 4272438977. The reversal of 4272438965 is 5698342724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1746069796 + 2526369169 = 41786^2 + 50263^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272438965 - 2²² = 4268244661 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 427243892 + ... + 427243901.

It is an arithmetic number, because the mean of its divisors is an integer number (1281731691).

Almost surely, 2^4272438965 is an apocalyptic number.

It is an amenable number.

4272438965 is a deficient number, since it is larger than the sum of its proper divisors (854487799).

4272438965 is an equidigital number, since it uses as much as digits as its factorization.

4272438965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854487798.

The product of its digits is 2903040, while the sum is 50.

The square root of 4272438965 is about 65363.8964949306. The cubic root of 4272438965 is about 1622.6516251502.

The spelling of 4272438965 in words is "four billion, two hundred seventy-two million, four hundred thirty-eight thousand, nine hundred sixty-five".