4138625419 has 4 divisors (see below), whose sum is σ = 4141291896. Its totient is φ = 4135958944.

The previous prime is 4138625399. The next prime is 4138625423. The reversal of 4138625419 is 9145268314.

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 4138625419 - 2¹³ = 4138617227 is a prime.

It is a super-2 number, since 2×4138625419² = 34256440717585851122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4138625479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330909 + ... + 1334014.

It is an arithmetic number, because the mean of its divisors is an integer number (1035322974).

Almost surely, 2^4138625419 is an apocalyptic number.

4138625419 is a deficient number, since it is larger than the sum of its proper divisors (2666477).

4138625419 is a wasteful number, since it uses less digits than its factorization.

4138625419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666476.

The product of its digits is 207360, while the sum is 43.

The square root of 4138625419 is about 64332.1491868568. The cubic root of 4138625419 is about 1605.5310424641.

The spelling of 4138625419 in words is "four billion, one hundred thirty-eight million, six hundred twenty-five thousand, four hundred nineteen".