4855454839 has 4 divisors (see below), whose sum is σ = 4856527224. Its totient is φ = 4854382456.

The previous prime is 4855454837. The next prime is 4855454939. The reversal of 4855454839 is 9384545584.

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

It is a cyclic number.

It is not a de Polignac number, because 4855454839 - 2¹ = 4855454837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4855454839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4855454831) 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, 529372 + ... + 538465.

It is an arithmetic number, because the mean of its divisors is an integer number (1214131806).

Almost surely, 2^4855454839 is an apocalyptic number.

4855454839 is a deficient number, since it is larger than the sum of its proper divisors (1072385).

4855454839 is a wasteful number, since it uses less digits than its factorization.

4855454839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072384.

The product of its digits is 13824000, while the sum is 55.

The square root of 4855454839 is about 69681.0938418736. The cubic root of 4855454839 is about 1693.3366428117.

The spelling of 4855454839 in words is "four billion, eight hundred fifty-five million, four hundred fifty-four thousand, eight hundred thirty-nine".