498720982769 has 4 divisors (see below), whose sum is σ = 510884909220. Its totient is φ = 486557056320.

The previous prime is 498720982759. The next prime is 498720982787. The reversal of 498720982769 is 967289027894.

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 13580872369 + 485140110400 = 116537^2 + 696520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498720982769 is a prime.

It is a super-2 number, since 2×498720982769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498720982759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6081963164 + ... + 6081963245.

It is an arithmetic number, because the mean of its divisors is an integer number (127721227305).

Almost surely, 2^498720982769 is an apocalyptic number.

It is an amenable number.

498720982769 is a deficient number, since it is larger than the sum of its proper divisors (12163926451).

498720982769 is a wasteful number, since it uses less digits than its factorization.

498720982769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163926450.

The product of its (nonzero) digits is 219469824, while the sum is 71.

The spelling of 498720982769 in words is "four hundred ninety-eight billion, seven hundred twenty million, nine hundred eighty-two thousand, seven hundred sixty-nine".