6994757485 has 4 divisors (see below), whose sum is σ = 8393708988. Its totient is φ = 5595805984.

The previous prime is 6994757461. The next prime is 6994757507. The reversal of 6994757485 is 5847574996.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1753431876 + 5241325609 = 41874^2 + 72397^2 .

It is a cyclic number.

It is not a de Polignac number, because 6994757485 - 2⁵ = 6994757453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699475744 + ... + 699475753.

It is an arithmetic number, because the mean of its divisors is an integer number (2098427247).

Almost surely, 2^6994757485 is an apocalyptic number.

It is an amenable number.

6994757485 is a deficient number, since it is larger than the sum of its proper divisors (1398951503).

6994757485 is a wasteful number, since it uses less digits than its factorization.

6994757485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398951502.

The product of its digits is 76204800, while the sum is 64.

The square root of 6994757485 is about 83634.6667656421. Note that the first 3 decimals coincide. The cubic root of 6994757485 is about 1912.4535125329.

The spelling of 6994757485 in words is "six billion, nine hundred ninety-four million, seven hundred fifty-seven thousand, four hundred eighty-five".