499093789 has 2 divisors, whose sum is σ = 499093790. Its totient is φ = 499093788.

The previous prime is 499093783. The next prime is 499093841. The reversal of 499093789 is 987390994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319801689 + 179292100 = 17883^2 + 13390^2 .

It is a cyclic number.

It is not a de Polignac number, because 499093789 - 2²¹ = 496996637 is a prime.

It is a super-2 number, since 2×499093789² = 498189220436753042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499093783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249546894 + 249546895.

It is an arithmetic number, because the mean of its divisors is an integer number (249546895).

Almost surely, 2^499093789 is an apocalyptic number.

It is an amenable number.

499093789 is a deficient number, since it is larger than the sum of its proper divisors (1).

499093789 is an equidigital number, since it uses as much as digits as its factorization.

499093789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 499093789 is about 22340.4070911879. The cubic root of 499093789 is about 793.2207292376.

The spelling of 499093789 in words is "four hundred ninety-nine million, ninety-three thousand, seven hundred eighty-nine".