199524940379 has 2 divisors, whose sum is σ = 199524940380. Its totient is φ = 199524940378.

The previous prime is 199524940301. The next prime is 199524940423. The reversal of 199524940379 is 973049425991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199524940379 - 2¹² = 199524936283 is a prime.

It is not a weakly prime, because it can be changed into another prime (199524960379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99762470189 + 99762470190.

It is an arithmetic number, because the mean of its divisors is an integer number (99762470190).

Almost surely, 2^199524940379 is an apocalyptic number.

199524940379 is a deficient number, since it is larger than the sum of its proper divisors (1).

199524940379 is an equidigital number, since it uses as much as digits as its factorization.

199524940379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 199524940379 in words is "one hundred ninety-nine billion, five hundred twenty-four million, nine hundred forty thousand, three hundred seventy-nine".