100005434057 has 2 divisors, whose sum is σ = 100005434058. Its totient is φ = 100005434056.

The previous prime is 100005434041. The next prime is 100005434077. The reversal of 100005434057 is 750434500001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50185408441 + 49820025616 = 224021^2 + 223204^2 .

It is an emirp because it is prime and its reverse (750434500001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100005434057 - 2⁴ = 100005434041 is a prime.

It is not a weakly prime, because it can be changed into another prime (100005434077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50002717028 + 50002717029.

It is an arithmetic number, because the mean of its divisors is an integer number (50002717029).

Almost surely, 2^100005434057 is an apocalyptic number.

It is an amenable number.

100005434057 is a deficient number, since it is larger than the sum of its proper divisors (1).

100005434057 is an equidigital number, since it uses as much as digits as its factorization.

100005434057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 100005434057 its reverse (750434500001), we get a palindrome (850439934058).

The spelling of 100005434057 in words is "one hundred billion, five million, four hundred thirty-four thousand, fifty-seven".