4991418192 has 20 divisors (see below), whose sum is σ = 12894497120. Its totient is φ = 1663806048.

The previous prime is 4991418181. The next prime is 4991418203. The reversal of 4991418192 is 2918141994.

It is an interprime number because it is at equal distance from previous prime (4991418181) and next prime (4991418203).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 103987879 = 4991418192 / (4 + 9 + 9 + 1 + 4 + 1 + 8 + 1 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51993892 + ... + 51993987.

It is an arithmetic number, because the mean of its divisors is an integer number (644724856).

Almost surely, 2^4991418192 is an apocalyptic number.

It is an amenable number.

4991418192 is an abundant number, since it is smaller than the sum of its proper divisors (7903078928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4991418192 is a wasteful number, since it uses less digits than its factorization.

4991418192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103987890 (or 103987884 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 4991418192 is about 70649.9695116707. The cubic root of 4991418192 is about 1708.9970740792.

The spelling of 4991418192 in words is "four billion, nine hundred ninety-one million, four hundred eighteen thousand, one hundred ninety-two".