499388377 has 2 divisors, whose sum is σ = 499388378. Its totient is φ = 499388376.

The previous prime is 499388363. The next prime is 499388389. The reversal of 499388377 is 773883994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483516121 + 15872256 = 21989^2 + 3984^2 .

It is a cyclic number.

It is not a de Polignac number, because 499388377 - 2¹⁵ = 499355609 is a prime.

It is not a weakly prime, because it can be changed into another prime (499388177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249694188 + 249694189.

It is an arithmetic number, because the mean of its divisors is an integer number (249694189).

Almost surely, 2^499388377 is an apocalyptic number.

It is an amenable number.

499388377 is a deficient number, since it is larger than the sum of its proper divisors (1).

499388377 is an equidigital number, since it uses as much as digits as its factorization.

499388377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 58.

The square root of 499388377 is about 22346.9992840202. Note that the first 3 decimals coincide. The cubic root of 499388377 is about 793.3767636033.

The spelling of 499388377 in words is "four hundred ninety-nine million, three hundred eighty-eight thousand, three hundred seventy-seven".