2104260365 has 4 divisors (see below), whose sum is σ = 2525112444. Its totient is φ = 1683408288.

The previous prime is 2104260247. The next prime is 2104260371. The reversal of 2104260365 is 5630624012.

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 1348505284 + 755755081 = 36722^2 + 27491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104260365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 210426032 + ... + 210426041.

It is an arithmetic number, because the mean of its divisors is an integer number (631278111).

Almost surely, 2^2104260365 is an apocalyptic number.

It is an amenable number.

2104260365 is a deficient number, since it is larger than the sum of its proper divisors (420852079).

2104260365 is an equidigital number, since it uses as much as digits as its factorization.

2104260365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420852078.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2104260365 is about 45872.2177902922. The cubic root of 2104260365 is about 1281.4445696502. Note that the first 3 decimals are identical.

Adding to 2104260365 its reverse (5630624012), we get a palindrome (7734884377).

The spelling of 2104260365 in words is "two billion, one hundred four million, two hundred sixty thousand, three hundred sixty-five".