490218375969 has 128 divisors (see below), whose sum is σ = 908070912000. Its totient is φ = 254889400320.

The previous prime is 490218375949. The next prime is 490218375971. The reversal of 490218375969 is 969573812094.

490218375969 is a `hidden beast` number, since 4 + 9 + 0 + 2 + 1 + 8 + 37 + 596 + 9 = 666.

It is not a de Polignac number, because 490218375969 - 2¹⁷ = 490218244897 is a prime.

It is a super-2 number, since 2×490218375969² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (490218375949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 142131757 + ... + 142135205.

It is an arithmetic number, because the mean of its divisors is an integer number (7094304000).

It is a 1-persistent number, because it is pandigital, but 2⋅490218375969 = 980436751938 is not.

Almost surely, 2^490218375969 is an apocalyptic number.

It is an amenable number.

490218375969 is a deficient number, since it is larger than the sum of its proper divisors (417852536031).

490218375969 is a wasteful number, since it uses less digits than its factorization.

490218375969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940 (or 4934 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 490218375969 in words is "four hundred ninety billion, two hundred eighteen million, three hundred seventy-five thousand, nine hundred sixty-nine".