4955045991 has 16 divisors (see below), whose sum is σ = 7560787200. Its totient is φ = 2827614528.

The previous prime is 4955045989. The next prime is 4955045993. The reversal of 4955045991 is 1995405594.

It is an interprime number because it is at equal distance from previous prime (4955045989) and next prime (4955045993).

It is not a de Polignac number, because 4955045991 - 2¹ = 4955045989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4955045993) 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 15 ways as a sum of consecutive naturals, for example, 144126 + ... + 175163.

It is an arithmetic number, because the mean of its divisors is an integer number (472549200).

Almost surely, 2^4955045991 is an apocalyptic number.

4955045991 is a deficient number, since it is larger than the sum of its proper divisors (2605741209).

4955045991 is a wasteful number, since it uses less digits than its factorization.

4955045991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320038.

The product of its (nonzero) digits is 1458000, while the sum is 51.

The square root of 4955045991 is about 70392.0875596114. The cubic root of 4955045991 is about 1704.8358262186.

The spelling of 4955045991 in words is "four billion, nine hundred fifty-five million, forty-five thousand, nine hundred ninety-one".