498553202889 has 27 divisors (see below), whose sum is σ = 837729956973. Its totient is φ = 284879071512.

The previous prime is 498553202879. The next prime is 498553202951. The reversal of 498553202889 is 988202355894.

The square root of 498553202889 is 706083.

It is a perfect power (a square), and thus also a powerful number.

498553202889 is a `hidden beast` number, since 4 + 98 + 5 + 532 + 0 + 2 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 498553202889 - 2⁵ = 498553202857 is a prime.

It is a super-2 number, since 2×498553202889² (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 (498553202879) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14810932 + ... + 14844554.

Almost surely, 2^498553202889 is an apocalyptic number.

498553202889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

498553202889 is the 706083-rd square number.

498553202889 is the 353042-nd centered octagonal number.

It is an amenable number.

498553202889 is a deficient number, since it is larger than the sum of its proper divisors (339176754084).

498553202889 is an frugal number, since it uses more digits than its factorization.

498553202889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67266 (or 33633 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 498553202889 in words is "four hundred ninety-eight billion, five hundred fifty-three million, two hundred two thousand, eight hundred eighty-nine".