6998020099 has 16 divisors (see below), whose sum is σ = 8077771008. Its totient is φ = 5938352352.

The previous prime is 6998020069. The next prime is 6998020103. The reversal of 6998020099 is 9900208996.

It is a cyclic number.

It is not a de Polignac number, because 6998020099 - 2⁷ = 6998019971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6998020039) 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, 2183232 + ... + 2186434.

It is an arithmetic number, because the mean of its divisors is an integer number (504860688).

Almost surely, 2^6998020099 is an apocalyptic number.

6998020099 is a deficient number, since it is larger than the sum of its proper divisors (1079750909).

6998020099 is a wasteful number, since it uses less digits than its factorization.

6998020099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 6998020099 is about 83654.1696450332. The cubic root of 6998020099 is about 1912.7508127010.

The spelling of 6998020099 in words is "six billion, nine hundred ninety-eight million, twenty thousand, ninety-nine".