498989633479 has 2 divisors, whose sum is σ = 498989633480. Its totient is φ = 498989633478.

The previous prime is 498989633449. The next prime is 498989633489. The reversal of 498989633479 is 974336989894.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498989633479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 498989633399 and 498989633408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498989633449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249494816739 + 249494816740.

It is an arithmetic number, because the mean of its divisors is an integer number (249494816740).

Almost surely, 2^498989633479 is an apocalyptic number.

498989633479 is a deficient number, since it is larger than the sum of its proper divisors (1).

498989633479 is an equidigital number, since it uses as much as digits as its factorization.

498989633479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2539579392, while the sum is 79.

The spelling of 498989633479 in words is "four hundred ninety-eight billion, nine hundred eighty-nine million, six hundred thirty-three thousand, four hundred seventy-nine".