2804069639 has 6 divisors (see below), whose sum is σ = 3261876984. Its totient is φ = 2403488220.

The previous prime is 2804069623. The next prime is 2804069659. The reversal of 2804069639 is 9369604082.

It is not a de Polignac number, because 2804069639 - 2⁴ = 2804069623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2804069593 and 2804069602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804069659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28612907 + ... + 28613004.

It is an arithmetic number, because the mean of its divisors is an integer number (543646164).

Almost surely, 2^2804069639 is an apocalyptic number.

2804069639 is a deficient number, since it is larger than the sum of its proper divisors (457807345).

2804069639 is an equidigital number, since it uses as much as digits as its factorization.

2804069639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57225925 (or 57225918 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 2804069639 is about 52953.4667325946. The cubic root of 2804069639 is about 1410.1422720816.

It can be divided in two parts, 28040 and 69639, that added together give a palindrome (97679).

The spelling of 2804069639 in words is "two billion, eight hundred four million, sixty-nine thousand, six hundred thirty-nine".