100434899 has 2 divisors, whose sum is σ = 100434900. Its totient is φ = 100434898.

The previous prime is 100434869. The next prime is 100434907. The reversal of 100434899 is 998434001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100434899 - 2²⁴ = 83657683 is a prime.

It is not a weakly prime, because it can be changed into another prime (100434839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217449 + 50217450.

It is an arithmetic number, because the mean of its divisors is an integer number (50217450).

Almost surely, 2^100434899 is an apocalyptic number.

100434899 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434899 is an equidigital number, since it uses as much as digits as its factorization.

100434899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 100434899 is about 10021.7213591279. The cubic root of 100434899 is about 464.8307843844.

The spelling of 100434899 in words is "one hundred million, four hundred thirty-four thousand, eight hundred ninety-nine".