100049919 has 4 divisors (see below), whose sum is σ = 133399896. Its totient is φ = 66699944.

The previous prime is 100049909. The next prime is 100049933. The reversal of 100049919 is 919940001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100049919 - 2⁴ = 100049903 is a prime.

It is a super-2 number, since 2×100049919² = 20019972583813122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100049919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100049909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16674984 + ... + 16674989.

It is an arithmetic number, because the mean of its divisors is an integer number (33349974).

Almost surely, 2^100049919 is an apocalyptic number.

100049919 is a deficient number, since it is larger than the sum of its proper divisors (33349977).

100049919 is an equidigital number, since it uses as much as digits as its factorization.

100049919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33349976.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 100049919 is about 10002.4956385894. The cubic root of 100049919 is about 464.2361050043.

The spelling of 100049919 in words is "one hundred million, forty-nine thousand, nine hundred nineteen".