4998981478 has 8 divisors (see below), whose sum is σ = 7939558872. Its totient is φ = 2352461856.

The previous prime is 4998981451. The next prime is 4998981479. The reversal of 4998981478 is 8741898994.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998981479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73514400 + ... + 73514467.

It is an arithmetic number, because the mean of its divisors is an integer number (992444859).

Almost surely, 2^4998981478 is an apocalyptic number.

4998981478 is a deficient number, since it is larger than the sum of its proper divisors (2940577394).

4998981478 is a wasteful number, since it uses less digits than its factorization.

4998981478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147028886.

The product of its digits is 41803776, while the sum is 67.

The square root of 4998981478 is about 70703.4757137158. The cubic root of 4998981478 is about 1709.8598289170.

The spelling of 4998981478 in words is "four billion, nine hundred ninety-eight million, nine hundred eighty-one thousand, four hundred seventy-eight".