4898999091 has 16 divisors (see below), whose sum is σ = 7486665984. Its totient is φ = 2791356384.

The previous prime is 4898999069. The next prime is 4898999107. The reversal of 4898999091 is 1909998984.

It is not a de Polignac number, because 4898999091 - 2⁵ = 4898999059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4898999291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328860 + ... + 343433.

It is an arithmetic number, because the mean of its divisors is an integer number (467916624).

Almost surely, 2^4898999091 is an apocalyptic number.

4898999091 is a deficient number, since it is larger than the sum of its proper divisors (2587666893).

4898999091 is a wasteful number, since it uses less digits than its factorization.

4898999091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672650.

The product of its (nonzero) digits is 15116544, while the sum is 66.

The square root of 4898999091 is about 69992.8502848684. The cubic root of 4898999091 is about 1698.3835951700.

The spelling of 4898999091 in words is "four billion, eight hundred ninety-eight million, nine hundred ninety-nine thousand, ninety-one".