9948998499 has 16 divisors (see below), whose sum is σ = 14576906880. Its totient is φ = 5985680960.

The previous prime is 9948998467. The next prime is 9948998513.

9948998499 is nontrivially palindromic in base 10.

9948998499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9948998499 - 2⁵ = 9948998467 is a prime.

It is a super-2 number, since 2×9948998499² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9948998099) 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, 1095789 + ... + 1104830.

It is an arithmetic number, because the mean of its divisors is an integer number (911056680).

Almost surely, 2^9948998499 is an apocalyptic number.

9948998499 is a deficient number, since it is larger than the sum of its proper divisors (4627908381).

9948998499 is a wasteful number, since it uses less digits than its factorization.

9948998499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200770.

The product of its digits is 544195584, while the sum is 78.

The square root of 9948998499 is about 99744.6665190676. Note that the first 3 decimals coincide. The cubic root of 9948998499 is about 2150.7657988795.

The spelling of 9948998499 in words is "nine billion, nine hundred forty-eight million, nine hundred ninety-eight thousand, four hundred ninety-nine".