498811621451 has 8 divisors (see below), whose sum is σ = 586016450544. Its totient is φ = 418583178720.

The previous prime is 498811621439. The next prime is 498811621463. The reversal of 498811621451 is 154126118894.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (498811621439) and next prime (498811621463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 498811621451 - 2¹⁰ = 498811620427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 498811621451.

It is not an unprimeable number, because it can be changed into a prime (498811641451) 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 7 ways as a sum of consecutive naturals, for example, 1744096436 + ... + 1744096721.

It is an arithmetic number, because the mean of its divisors is an integer number (73252056318).

Almost surely, 2^498811621451 is an apocalyptic number.

498811621451 is a deficient number, since it is larger than the sum of its proper divisors (87204829093).

498811621451 is a wasteful number, since it uses less digits than its factorization.

498811621451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488193181.

The product of its digits is 552960, while the sum is 50.

The spelling of 498811621451 in words is "four hundred ninety-eight billion, eight hundred eleven million, six hundred twenty-one thousand, four hundred fifty-one".