6988020949 has 32 divisors (see below), whose sum is σ = 8750923776. Its totient is φ = 5433220800.

The previous prime is 6988020911. The next prime is 6988020997. The reversal of 6988020949 is 9490208896.

It is not a de Polignac number, because 6988020949 - 2²⁷ = 6853803221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6988020949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988020349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1233774 + ... + 1239424.

It is an arithmetic number, because the mean of its divisors is an integer number (273466368).

Almost surely, 2^6988020949 is an apocalyptic number.

It is an amenable number.

6988020949 is a deficient number, since it is larger than the sum of its proper divisors (1762902827).

6988020949 is a wasteful number, since it uses less digits than its factorization.

6988020949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 6988020949 is about 83594.3834775997. The cubic root of 6988020949 is about 1911.8393644808.

The spelling of 6988020949 in words is "six billion, nine hundred eighty-eight million, twenty thousand, nine hundred forty-nine".