1904019041 has 4 divisors (see below), whose sum is σ = 1969674900. Its totient is φ = 1838363184.

The previous prime is 1904019017. The next prime is 1904019077. The reversal of 1904019041 is 1409104091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1414060816 + 489958225 = 37604^2 + 22135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1904019041 - 2¹⁴ = 1904002657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 65655829 = 1904019041 / (1 + 9 + 0 + 4 + 0 + 1 + 9 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1904018995 and 1904019013.

It is not an unprimeable number, because it can be changed into a prime (1904019641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32827886 + ... + 32827943.

It is an arithmetic number, because the mean of its divisors is an integer number (492418725).

Almost surely, 2^1904019041 is an apocalyptic number.

It is an amenable number.

1904019041 is a deficient number, since it is larger than the sum of its proper divisors (65655859).

1904019041 is an equidigital number, since it uses as much as digits as its factorization.

1904019041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65655858.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1904019041 is about 43635.0666436984. The cubic root of 1904019041 is about 1239.4350185877.

The spelling of 1904019041 in words is "one billion, nine hundred four million, nineteen thousand, forty-one".