490814765481 has 32 divisors (see below), whose sum is σ = 716449442688. Its totient is φ = 297642844160.

The previous prime is 490814765443. The next prime is 490814765569. The reversal of 490814765481 is 184567418094.

It is a cyclic number.

It is not a de Polignac number, because 490814765481 - 2¹³ = 490814757289 is a prime.

It is a super-2 number, since 2×490814765481² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490814765431) 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, 873120 + ... + 1320593.

It is an arithmetic number, because the mean of its divisors is an integer number (22389045084).

Almost surely, 2^490814765481 is an apocalyptic number.

490814765481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

490814765481 is a deficient number, since it is larger than the sum of its proper divisors (225634677207).

490814765481 is a wasteful number, since it uses less digits than its factorization.

490814765481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193881.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 490814765481 in words is "four hundred ninety billion, eight hundred fourteen million, seven hundred sixty-five thousand, four hundred eighty-one".