487273988451 has 4 divisors (see below), whose sum is σ = 649698651272. Its totient is φ = 324849325632.

The previous prime is 487273988419. The next prime is 487273988459. The reversal of 487273988451 is 154889372784.

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

It is not a de Polignac number, because 487273988451 - 2⁵ = 487273988419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487273988459) 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 3 ways as a sum of consecutive naturals, for example, 81212331406 + ... + 81212331411.

It is an arithmetic number, because the mean of its divisors is an integer number (162424662818).

Almost surely, 2^487273988451 is an apocalyptic number.

487273988451 is a deficient number, since it is larger than the sum of its proper divisors (162424662821).

487273988451 is a wasteful number, since it uses less digits than its factorization.

487273988451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162424662820.

The product of its digits is 108380160, while the sum is 66.

The spelling of 487273988451 in words is "four hundred eighty-seven billion, two hundred seventy-three million, nine hundred eighty-eight thousand, four hundred fifty-one".