4987856184621 has 32 divisors (see below), whose sum is σ = 7242214934400. Its totient is φ = 3041462753280.

The previous prime is 4987856184557. The next prime is 4987856184629. The reversal of 4987856184621 is 1264816587894.

It is not a de Polignac number, because 4987856184621 - 2⁶ = 4987856184557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987856184629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48111681 + ... + 48215241.

It is an arithmetic number, because the mean of its divisors is an integer number (226319216700).

Almost surely, 2^{4987856184621} is an apocalyptic number.

It is an amenable number.

4987856184621 is a deficient number, since it is larger than the sum of its proper divisors (2254358749779).

4987856184621 is a wasteful number, since it uses less digits than its factorization.

4987856184621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132749.

The product of its digits is 185794560, while the sum is 69.

The spelling of 4987856184621 in words is "four trillion, nine hundred eighty-seven billion, eight hundred fifty-six million, one hundred eighty-four thousand, six hundred twenty-one".