100426405464617 has 2 divisors, whose sum is σ = 100426405464618. Its totient is φ = 100426405464616.

The previous prime is 100426405464613. The next prime is 100426405464653. The reversal of 100426405464617 is 716464504624001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52106612317081 + 48319793147536 = 7218491^2 + 6951244^2 .

It is a cyclic number.

It is not a de Polignac number, because 100426405464617 - 2² = 100426405464613 is a prime.

It is not a weakly prime, because it can be changed into another prime (100426405464613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50213202732308 + 50213202732309.

It is an arithmetic number, because the mean of its divisors is an integer number (50213202732309).

Almost surely, 2^{100426405464617} is an apocalyptic number.

It is an amenable number.

100426405464617 is a deficient number, since it is larger than the sum of its proper divisors (1).

100426405464617 is an equidigital number, since it uses as much as digits as its factorization.

100426405464617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 100426405464617 in words is "one hundred trillion, four hundred twenty-six billion, four hundred five million, four hundred sixty-four thousand, six hundred seventeen".