6715985481 has 10 divisors (see below), whose sum is σ = 10032521642. Its totient is φ = 4477323600.

The previous prime is 6715985449. The next prime is 6715985489. The reversal of 6715985481 is 1845895176.

It is a happy number.

6715985481 is a `hidden beast` number, since 6 + 7 + 1 + 5 + 98 + 548 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4129347600 + 2586637881 = 64260^2 + 50859^2 .

It is not a de Polignac number, because 6715985481 - 2⁵ = 6715985449 is a prime.

It is a super-2 number, since 2×6715985481² = 90208921962005602722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6715985489) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41456620 + ... + 41456781.

Almost surely, 2^6715985481 is an apocalyptic number.

It is an amenable number.

6715985481 is a deficient number, since it is larger than the sum of its proper divisors (3316536161).

6715985481 is an equidigital number, since it uses as much as digits as its factorization.

6715985481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82913413 (or 82913404 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The square root of 6715985481 is about 81951.1164109434. The cubic root of 6715985481 is about 1886.7017380630.

The spelling of 6715985481 in words is "six billion, seven hundred fifteen million, nine hundred eighty-five thousand, four hundred eighty-one".