4991041915 has 16 divisors (see below), whose sum is σ = 6095342016. Its totient is φ = 3922508800.

The previous prime is 4991041873. The next prime is 4991041933. The reversal of 4991041915 is 5191401994.

It is not a de Polignac number, because 4991041915 - 2¹⁹ = 4990517627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74739 + ... + 124771.

It is an arithmetic number, because the mean of its divisors is an integer number (380958876).

Almost surely, 2^4991041915 is an apocalyptic number.

4991041915 is a deficient number, since it is larger than the sum of its proper divisors (1104300101).

4991041915 is a wasteful number, since it uses less digits than its factorization.

4991041915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50390.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 4991041915 is about 70647.3064950108. The cubic root of 4991041915 is about 1708.9541288729.

The spelling of 4991041915 in words is "four billion, nine hundred ninety-one million, forty-one thousand, nine hundred fifteen".