100408019 has 2 divisors, whose sum is σ = 100408020. Its totient is φ = 100408018.

The previous prime is 100407997. The next prime is 100408067. The reversal of 100408019 is 910804001.

It is a weak prime.

It is an emirp because it is prime and its reverse (910804001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100408019 - 2²⁰ = 99359443 is a prime.

It is a super-2 number, since 2×100408019² = 20163540559008722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100407985 and 100408003.

It is not a weakly prime, because it can be changed into another prime (100402019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50204009 + 50204010.

It is an arithmetic number, because the mean of its divisors is an integer number (50204010).

Almost surely, 2^100408019 is an apocalyptic number.

100408019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100408019 is an equidigital number, since it uses as much as digits as its factorization.

100408019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 100408019 is about 10020.3801824083. The cubic root of 100408019 is about 464.7893121921.

The spelling of 100408019 in words is "one hundred million, four hundred eight thousand, nineteen".