210242019 has 8 divisors (see below), whose sum is σ = 301886032. Its totient is φ = 129379680.

The previous prime is 210242017. The next prime is 210242027. The reversal of 210242019 is 910242012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210242019 - 2¹ = 210242017 is a prime.

It is a super-2 number, since 2×210242019² = 88403413106392722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210241986 and 210242004.

It is not an unprimeable number, because it can be changed into a prime (210242017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695372 + ... + 2695449.

It is an arithmetic number, because the mean of its divisors is an integer number (37735754).

Almost surely, 2^210242019 is an apocalyptic number.

210242019 is a deficient number, since it is larger than the sum of its proper divisors (91644013).

210242019 is a wasteful number, since it uses less digits than its factorization.

210242019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390837.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 210242019 is about 14499.7247904917. The cubic root of 210242019 is about 594.6204476215.

The spelling of 210242019 in words is "two hundred ten million, two hundred forty-two thousand, nineteen".