499969429 has 2 divisors, whose sum is σ = 499969430. Its totient is φ = 499969428.

The previous prime is 499969427. The next prime is 499969441. The reversal of 499969429 is 924969994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415752100 + 84217329 = 20390^2 + 9177^2 .

It is a cyclic number.

It is not a de Polignac number, because 499969429 - 2¹ = 499969427 is a prime.

Together with 499969427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499969427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249984714 + 249984715.

It is an arithmetic number, because the mean of its divisors is an integer number (249984715).

Almost surely, 2^499969429 is an apocalyptic number.

It is an amenable number.

499969429 is a deficient number, since it is larger than the sum of its proper divisors (1).

499969429 is an equidigital number, since it uses as much as digits as its factorization.

499969429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 61.

The square root of 499969429 is about 22359.9961762072. The cubic root of 499969429 is about 793.6843495086.

The spelling of 499969429 in words is "four hundred ninety-nine million, nine hundred sixty-nine thousand, four hundred twenty-nine".