100404340427 has 2 divisors, whose sum is σ = 100404340428. Its totient is φ = 100404340426.

The previous prime is 100404340331. The next prime is 100404340469. The reversal of 100404340427 is 724043404001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100404340427 - 2⁸ = 100404340171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100404340427.

It is not a weakly prime, because it can be changed into another prime (100404342427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50202170213 + 50202170214.

It is an arithmetic number, because the mean of its divisors is an integer number (50202170214).

Almost surely, 2^100404340427 is an apocalyptic number.

100404340427 is a deficient number, since it is larger than the sum of its proper divisors (1).

100404340427 is an equidigital number, since it uses as much as digits as its factorization.

100404340427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 100404340427 its reverse (724043404001), we get a palindrome (824447744428).

The spelling of 100404340427 in words is "one hundred billion, four hundred four million, three hundred forty thousand, four hundred twenty-seven".