381536299 has 2 divisors, whose sum is σ = 381536300. Its totient is φ = 381536298.

The previous prime is 381536279. The next prime is 381536317. The reversal of 381536299 is 992635183.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381536299 - 2⁷ = 381536171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (381536249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190768149 + 190768150.

It is an arithmetic number, because the mean of its divisors is an integer number (190768150).

Almost surely, 2^381536299 is an apocalyptic number.

381536299 is a deficient number, since it is larger than the sum of its proper divisors (1).

381536299 is an equidigital number, since it uses as much as digits as its factorization.

381536299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The square root of 381536299 is about 19532.9541800517. The cubic root of 381536299 is about 725.2904418550.

The spelling of 381536299 in words is "three hundred eighty-one million, five hundred thirty-six thousand, two hundred ninety-nine".