6993958356 has 108 divisors (see below), whose sum is σ = 22435227360. Its totient is φ = 1816607520.

The previous prime is 6993958351. The next prime is 6993958369. The reversal of 6993958356 is 6538593996.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6993958293 and 6993958302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993958351) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160816 + ... + 199623.

Almost surely, 2^6993958356 is an apocalyptic number.

6993958356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6993958356 is an abundant number, since it is smaller than the sum of its proper divisors (15441269004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6993958356 is a wasteful number, since it uses less digits than its factorization.

6993958356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360474 (or 360462 counting only the distinct ones).

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

The square root of 6993958356 is about 83629.8891306212. The cubic root of 6993958356 is about 1912.3806791634.

The spelling of 6993958356 in words is "six billion, nine hundred ninety-three million, nine hundred fifty-eight thousand, three hundred fifty-six".