2949481687 has 8 divisors (see below), whose sum is σ = 2959775280. Its totient is φ = 2939207040.

The previous prime is 2949481649. The next prime is 2949481697. The reversal of 2949481687 is 7861849492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2949481687 - 2⁷ = 2949481559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949481697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352383 + ... + 360655.

It is an arithmetic number, because the mean of its divisors is an integer number (369971910).

Almost surely, 2^2949481687 is an apocalyptic number.

2949481687 is a deficient number, since it is larger than the sum of its proper divisors (10293593).

2949481687 is an equidigital number, since it uses as much as digits as its factorization.

2949481687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473.

The product of its digits is 6967296, while the sum is 58.

The square root of 2949481687 is about 54309.1307884779. The cubic root of 2949481687 is about 1434.1081415683.

The spelling of 2949481687 in words is "two billion, nine hundred forty-nine million, four hundred eighty-one thousand, six hundred eighty-seven".