487452100021 has 16 divisors (see below), whose sum is σ = 508631477760. Its totient is φ = 466626738240.

The previous prime is 487452100001. The next prime is 487452100039. The reversal of 487452100021 is 120001254784.

It is a cyclic number.

It is not a de Polignac number, because 487452100021 - 2³³ = 478862165429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487452100021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487452100001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137075 + ... + 2354143.

It is an arithmetic number, because the mean of its divisors is an integer number (31789467360).

Almost surely, 2^487452100021 is an apocalyptic number.

It is an amenable number.

487452100021 is a deficient number, since it is larger than the sum of its proper divisors (21179377739).

487452100021 is a wasteful number, since it uses less digits than its factorization.

487452100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217884.

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 487452100021 in words is "four hundred eighty-seven billion, four hundred fifty-two million, one hundred thousand, twenty-one".