4139419 has 2 divisors, whose sum is σ = 4139420. Its totient is φ = 4139418.

The previous prime is 4139417. The next prime is 4139423. The reversal of 4139419 is 9149314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4139419 - 2¹ = 4139417 is a prime.

It is a super-2 number, since 2×4139419² = 34269579315122, which contains 22 as substring.

Together with 4139417, it forms a pair of twin primes.

4139419 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4139417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069709 + 2069710.

It is an arithmetic number, because the mean of its divisors is an integer number (2069710).

Almost surely, 2^4139419 is an apocalyptic number.

4139419 is a deficient number, since it is larger than the sum of its proper divisors (1).

4139419 is an equidigital number, since it uses as much as digits as its factorization.

4139419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 4139419 is about 2034.5562169672. The cubic root of 4139419 is about 160.5633656043.

The spelling of 4139419 in words is "four million, one hundred thirty-nine thousand, four hundred nineteen".