4998991896 has 64 divisors (see below), whose sum is σ = 13892220000. Its totient is φ = 1665595008.

The previous prime is 4998991889. The next prime is 4998991901. The reversal of 4998991896 is 6981998994.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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, 728610 + ... + 735438.

Almost surely, 2^4998991896 is an apocalyptic number.

It is an amenable number.

4998991896 is an abundant number, since it is smaller than the sum of its proper divisors (8893228104).

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

4998991896 is a wasteful number, since it uses less digits than its factorization.

4998991896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233 (or 10223 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 72.

The square root of 4998991896 is about 70703.5493875661. The cubic root of 4998991896 is about 1709.8610167128.

The spelling of 4998991896 in words is "four billion, nine hundred ninety-eight million, nine hundred ninety-one thousand, eight hundred ninety-six".