6985917343 has 4 divisors (see below), whose sum is σ = 7019026168. Its totient is φ = 6952808520.

The previous prime is 6985917331. The next prime is 6985917353. The reversal of 6985917343 is 3437195896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6985917343 - 2²¹ = 6983820191 is a prime.

It is a super-2 number, since 2×6985917343² = 97606082246456359298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985917353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16554096 + ... + 16554517.

It is an arithmetic number, because the mean of its divisors is an integer number (1754756542).

Almost surely, 2^6985917343 is an apocalyptic number.

6985917343 is a deficient number, since it is larger than the sum of its proper divisors (33108825).

6985917343 is a wasteful number, since it uses less digits than its factorization.

6985917343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33108824.

The product of its digits is 4898880, while the sum is 55.

The square root of 6985917343 is about 83581.8003096368. The cubic root of 6985917343 is about 1911.6475047057.

The spelling of 6985917343 in words is "six billion, nine hundred eighty-five million, nine hundred seventeen thousand, three hundred forty-three".