4048847897 has 4 divisors (see below), whose sum is σ = 4094340660. Its totient is φ = 4003355136.

The previous prime is 4048847863. The next prime is 4048847927. The reversal of 4048847897 is 7987488404.

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 533425216 + 3515422681 = 23096^2 + 59291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4048847897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048847797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22746248 + ... + 22746425.

It is an arithmetic number, because the mean of its divisors is an integer number (1023585165).

Almost surely, 2^4048847897 is an apocalyptic number.

It is an amenable number.

4048847897 is a deficient number, since it is larger than the sum of its proper divisors (45492763).

4048847897 is an equidigital number, since it uses as much as digits as its factorization.

4048847897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45492762.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The square root of 4048847897 is about 63630.5578869147. The cubic root of 4048847897 is about 1593.8366922634.

The spelling of 4048847897 in words is "four billion, forty-eight million, eight hundred forty-seven thousand, eight hundred ninety-seven".