499213387 has 2 divisors, whose sum is σ = 499213388. Its totient is φ = 499213386.

The previous prime is 499213369. The next prime is 499213397. The reversal of 499213387 is 783312994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499213387 - 2⁷ = 499213259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499213327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249606693 + 249606694.

It is an arithmetic number, because the mean of its divisors is an integer number (249606694).

Almost surely, 2^499213387 is an apocalyptic number.

499213387 is a deficient number, since it is larger than the sum of its proper divisors (1).

499213387 is an equidigital number, since it uses as much as digits as its factorization.

499213387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 499213387 is about 22343.0836502037. The cubic root of 499213387 is about 793.2840840874.

The spelling of 499213387 in words is "four hundred ninety-nine million, two hundred thirteen thousand, three hundred eighty-seven".