6989369355 has 24 divisors (see below), whose sum is σ = 12752535120. Its totient is φ = 3531470400.

The previous prime is 6989369351. The next prime is 6989369381. The reversal of 6989369355 is 5539639896.

It is not a de Polignac number, because 6989369355 - 2² = 6989369351 is a prime.

It is a super-2 number, since 2×6989369355² = 97702567961226232050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6989369292 and 6989369301.

It is not an unprimeable number, because it can be changed into a prime (6989369351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4086496 + ... + 4088205.

It is an arithmetic number, because the mean of its divisors is an integer number (531355630).

Almost surely, 2^6989369355 is an apocalyptic number.

6989369355 is a deficient number, since it is larger than the sum of its proper divisors (5763165765).

6989369355 is a wasteful number, since it uses less digits than its factorization.

6989369355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174731 (or 8174728 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 63.

The square root of 6989369355 is about 83602.4482596054. The cubic root of 6989369355 is about 1911.9623258502.

The spelling of 6989369355 in words is "six billion, nine hundred eighty-nine million, three hundred sixty-nine thousand, three hundred fifty-five".