4278144901 has 8 divisors (see below), whose sum is σ = 4289679000. Its totient is φ = 4266627840.

The previous prime is 4278144883. The next prime is 4278144953. The reversal of 4278144901 is 1094418724.

It can be written as a sum of positive squares in 4 ways, for example, as 820822500 + 3457322401 = 28650^2 + 58799^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4278144901 - 2⁹ = 4278144389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278144961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612175 + ... + 619123.

It is an arithmetic number, because the mean of its divisors is an integer number (536209875).

Almost surely, 2^4278144901 is an apocalyptic number.

It is an amenable number.

4278144901 is a deficient number, since it is larger than the sum of its proper divisors (11534099).

4278144901 is an equidigital number, since it uses as much as digits as its factorization.

4278144901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4278144901 is about 65407.5293907360. The cubic root of 4278144901 is about 1623.3736660970.

The spelling of 4278144901 in words is "four billion, two hundred seventy-eight million, one hundred forty-four thousand, nine hundred one".