499391911229 has 2 divisors, whose sum is σ = 499391911230. Its totient is φ = 499391911228.

The previous prime is 499391911177. The next prime is 499391911247. The reversal of 499391911229 is 922119193994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488149550329 + 11242360900 = 698677^2 + 106030^2 .

It is a cyclic number.

It is not a de Polignac number, because 499391911229 - 2²⁰ = 499390862653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499391911729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249695955614 + 249695955615.

It is an arithmetic number, because the mean of its divisors is an integer number (249695955615).

Almost surely, 2^499391911229 is an apocalyptic number.

It is an amenable number.

499391911229 is a deficient number, since it is larger than the sum of its proper divisors (1).

499391911229 is an equidigital number, since it uses as much as digits as its factorization.

499391911229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 59.

The spelling of 499391911229 in words is "four hundred ninety-nine billion, three hundred ninety-one million, nine hundred eleven thousand, two hundred twenty-nine".