487980128401 has 4 divisors (see below), whose sum is σ = 487989976804. Its totient is φ = 487970280000.

The previous prime is 487980128371. The next prime is 487980128437. The reversal of 487980128401 is 104821089784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 292572810000 + 195407318401 = 540900^2 + 442049^2 .

It is a cyclic number.

It is not a de Polignac number, because 487980128401 - 2²⁹ = 487443257489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487980128491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849500 + ... + 4949101.

It is an arithmetic number, because the mean of its divisors is an integer number (121997494201).

Almost surely, 2^487980128401 is an apocalyptic number.

It is an amenable number.

487980128401 is a deficient number, since it is larger than the sum of its proper divisors (9848403).

487980128401 is an equidigital number, since it uses as much as digits as its factorization.

487980128401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848402.

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 487980128401 in words is "four hundred eighty-seven billion, nine hundred eighty million, one hundred twenty-eight thousand, four hundred one".