404201405525387 has 2 divisors, whose sum is σ = 404201405525388. Its totient is φ = 404201405525386.

The previous prime is 404201405525327. The next prime is 404201405525399. The reversal of 404201405525387 is 783525504102404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404201405525387 - 2²² = 404201401331083 is a prime.

It is not a weakly prime, because it can be changed into another prime (404201405525327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202100702762693 + 202100702762694.

It is an arithmetic number, because the mean of its divisors is an integer number (202100702762694).

Almost surely, 2^{404201405525387} is an apocalyptic number.

404201405525387 is a deficient number, since it is larger than the sum of its proper divisors (1).

404201405525387 is an equidigital number, since it uses as much as digits as its factorization.

404201405525387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 404201405525387 in words is "four hundred four trillion, two hundred one billion, four hundred five million, five hundred twenty-five thousand, three hundred eighty-seven".