4991948199 has 12 divisors (see below), whose sum is σ = 8240676496. Its totient is φ = 2852541792.

The previous prime is 4991948177. The next prime is 4991948231. The reversal of 4991948199 is 9918491994.

4991948199 is a `hidden beast` number, since 499 + 19 + 48 + 1 + 99 = 666.

It is not a de Polignac number, because 4991948199 - 2⁵ = 4991948167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 79237273 = 4991948199 / (4 + 9 + 9 + 1 + 9 + 4 + 8 + 1 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991949199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39618574 + ... + 39618699.

Almost surely, 2^4991948199 is an apocalyptic number.

4991948199 is a deficient number, since it is larger than the sum of its proper divisors (3248728297).

4991948199 is a wasteful number, since it uses less digits than its factorization.

4991948199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79237286 (or 79237283 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 63.

The square root of 4991948199 is about 70653.7203479052. The cubic root of 4991948199 is about 1709.0575611205.

The spelling of 4991948199 in words is "four billion, nine hundred ninety-one million, nine hundred forty-eight thousand, one hundred ninety-nine".