490187959983 has 16 divisors (see below), whose sum is σ = 726251155200. Its totient is φ = 326770926840.

The previous prime is 490187959979. The next prime is 490187959993. The reversal of 490187959983 is 389959781094.

490187959983 is a `hidden beast` number, since 490 + 1 + 8 + 7 + 9 + 59 + 9 + 83 = 666.

It is not a de Polignac number, because 490187959983 - 2² = 490187959979 is a prime.

It is a super-2 number, since 2×490187959983² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490187959973) 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, 151803 + ... + 1001708.

It is an arithmetic number, because the mean of its divisors is an integer number (45390697200).

Almost surely, 2^490187959983 is an apocalyptic number.

490187959983 is a deficient number, since it is larger than the sum of its proper divisors (236063195217).

490187959983 is a wasteful number, since it uses less digits than its factorization.

490187959983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169259 (or 1169253 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 72.

The spelling of 490187959983 in words is "four hundred ninety billion, one hundred eighty-seven million, nine hundred fifty-nine thousand, nine hundred eighty-three".