5019869 has 2 divisors, whose sum is σ = 5019870. Its totient is φ = 5019868.

The previous prime is 5019821. The next prime is 5019877. The reversal of 5019869 is 9689105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4897369 + 122500 = 2213^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 5019869 - 2¹⁶ = 4954333 is a prime.

It is a super-2 number, since 2×5019869² = 50398169554322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5019899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509934 + 2509935.

It is an arithmetic number, because the mean of its divisors is an integer number (2509935).

Almost surely, 2^5019869 is an apocalyptic number.

It is an amenable number.

5019869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5019869 is an equidigital number, since it uses as much as digits as its factorization.

5019869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 5019869 is about 2240.5064159694. The cubic root of 5019869 is about 171.2237987158.

The spelling of 5019869 in words is "five million, nineteen thousand, eight hundred sixty-nine".