2820672481 has 8 divisors (see below), whose sum is σ = 3100588128. Its totient is φ = 2544672000.

The previous prime is 2820672479. The next prime is 2820672497. The reversal of 2820672481 is 1842760282.

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 2820672481 - 2¹ = 2820672479 is a prime.

It is a super-2 number, since 2×2820672481² = 15912386490141390722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2820672401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977280 + ... + 980161.

It is an arithmetic number, because the mean of its divisors is an integer number (387573516).

Almost surely, 2^2820672481 is an apocalyptic number.

It is an amenable number.

2820672481 is a deficient number, since it is larger than the sum of its proper divisors (279915647).

2820672481 is a wasteful number, since it uses less digits than its factorization.

2820672481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957583.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 2820672481 is about 53110.0035868950. The cubic root of 2820672481 is about 1412.9199387932.

The spelling of 2820672481 in words is "two billion, eight hundred twenty million, six hundred seventy-two thousand, four hundred eighty-one".