499909153 has 2 divisors, whose sum is σ = 499909154. Its totient is φ = 499909152.

The previous prime is 499909141. The next prime is 499909181. The reversal of 499909153 is 351909994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497869969 + 2039184 = 22313^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 499909153 - 2²¹ = 497812001 is a prime.

It is a super-2 number, since 2×499909153² = 499818322506354818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 499909097 and 499909106.

It is not a weakly prime, because it can be changed into another prime (499909103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249954576 + 249954577.

It is an arithmetic number, because the mean of its divisors is an integer number (249954577).

Almost surely, 2^499909153 is an apocalyptic number.

It is an amenable number.

499909153 is a deficient number, since it is larger than the sum of its proper divisors (1).

499909153 is an equidigital number, since it uses as much as digits as its factorization.

499909153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 499909153 is about 22358.6482820407. The cubic root of 499909153 is about 793.6524528647.

The spelling of 499909153 in words is "four hundred ninety-nine million, nine hundred nine thousand, one hundred fifty-three".