487026381321 has 16 divisors (see below), whose sum is σ = 746400585600. Its totient is φ = 313488244944.

The previous prime is 487026381293. The next prime is 487026381377. The reversal of 487026381321 is 123183620784.

487026381321 is a `hidden beast` number, since 4 + 8 + 7 + 0 + 2 + 638 + 1 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 487026381321 - 2²¹ = 487024284169 is a prime.

It is a super-2 number, since 2×487026381321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (487026381221) 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, 310999461 + ... + 311001026.

It is an arithmetic number, because the mean of its divisors is an integer number (46650036600).

Almost surely, 2^487026381321 is an apocalyptic number.

It is an amenable number.

487026381321 is a deficient number, since it is larger than the sum of its proper divisors (259374204279).

487026381321 is a wasteful number, since it uses less digits than its factorization.

487026381321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622000525 (or 622000519 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 487026381321 in words is "four hundred eighty-seven billion, twenty-six million, three hundred eighty-one thousand, three hundred twenty-one".