36420019 has 2 divisors, whose sum is σ = 36420020. Its totient is φ = 36420018.

The previous prime is 36419993. The next prime is 36420029. The reversal of 36420019 is 91002463.

It is a strong prime.

It is an emirp because it is prime and its reverse (91002463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36420019 - 2⁵ = 36419987 is a prime.

It is a super-2 number, since 2×36420019² = 2652835567920722, which contains 22 as substring.

It is equal to p_2228407 and since 36420019 and 2228407 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 36419975 and 36420002.

It is not a weakly prime, because it can be changed into another prime (36420029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18210009 + 18210010.

It is an arithmetic number, because the mean of its divisors is an integer number (18210010).

Almost surely, 2^36420019 is an apocalyptic number.

36420019 is a deficient number, since it is larger than the sum of its proper divisors (1).

36420019 is an equidigital number, since it uses as much as digits as its factorization.

36420019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 36420019 is about 6034.9000820229. The cubic root of 36420019 is about 331.4719038117.

The spelling of 36420019 in words is "thirty-six million, four hundred twenty thousand, nineteen".