4905155845 has 8 divisors (see below), whose sum is σ = 6089159160. Its totient is φ = 3788809920.

The previous prime is 4905155839. The next prime is 4905155861. The reversal of 4905155845 is 5485515094.

It can be written as a sum of positive squares in 4 ways, for example, as 1878615649 + 3026540196 = 43343^2 + 55014^2 .

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

It is not a de Polignac number, because 4905155845 - 2³ = 4905155837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4905155795 and 4905155804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16914186 + ... + 16914475.

It is an arithmetic number, because the mean of its divisors is an integer number (761144895).

Almost surely, 2^4905155845 is an apocalyptic number.

It is an amenable number.

4905155845 is a deficient number, since it is larger than the sum of its proper divisors (1184003315).

4905155845 is a wasteful number, since it uses less digits than its factorization.

4905155845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33828695.

The product of its (nonzero) digits is 720000, while the sum is 46.

The square root of 4905155845 is about 70036.8177817925. The cubic root of 4905155845 is about 1699.0947712344.

The spelling of 4905155845 in words is "four billion, nine hundred five million, one hundred fifty-five thousand, eight hundred forty-five".