4278013601 has 4 divisors (see below), whose sum is σ = 4322116932. Its totient is φ = 4233910272.

The previous prime is 4278013577. The next prime is 4278013613. The reversal of 4278013601 is 1063108724.

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 2475162001 + 1802851600 = 49751^2 + 42460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4278013601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4278013651) 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, 22051520 + ... + 22051713.

It is an arithmetic number, because the mean of its divisors is an integer number (1080529233).

Almost surely, 2^4278013601 is an apocalyptic number.

It is an amenable number.

4278013601 is a deficient number, since it is larger than the sum of its proper divisors (44103331).

4278013601 is an equidigital number, since it uses as much as digits as its factorization.

4278013601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44103330.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4278013601 is about 65406.5256759599. The cubic root of 4278013601 is about 1623.3570583423.

The spelling of 4278013601 in words is "four billion, two hundred seventy-eight million, thirteen thousand, six hundred one".