2081451485 has 8 divisors (see below), whose sum is σ = 2504701440. Its totient is φ = 1660521424.

The previous prime is 2081451479. The next prime is 2081451487. The reversal of 2081451485 is 5841541802.

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 2081451485 - 2²² = 2077257181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081451487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577997 + ... + 581586.

It is an arithmetic number, because the mean of its divisors is an integer number (313087680).

Almost surely, 2^2081451485 is an apocalyptic number.

It is an amenable number.

2081451485 is a deficient number, since it is larger than the sum of its proper divisors (423249955).

2081451485 is a wasteful number, since it uses less digits than its factorization.

2081451485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159947.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 2081451485 is about 45622.9271857911. The cubic root of 2081451485 is about 1276.7977173093.

The spelling of 2081451485 in words is "two billion, eighty-one million, four hundred fifty-one thousand, four hundred eighty-five".