2104765405 has 8 divisors (see below), whose sum is σ = 2529626112. Its totient is φ = 1681207248.

The previous prime is 2104765363. The next prime is 2104765409. The reversal of 2104765405 is 5045674012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104765405 - 2¹¹ = 2104763357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104765409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322077 + ... + 328546.

It is an arithmetic number, because the mean of its divisors is an integer number (316203264).

Almost surely, 2^2104765405 is an apocalyptic number.

It is an amenable number.

2104765405 is a deficient number, since it is larger than the sum of its proper divisors (424860707).

2104765405 is an equidigital number, since it uses as much as digits as its factorization.

2104765405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651275.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2104765405 is about 45877.7223170462. The cubic root of 2104765405 is about 1281.5470805699.

The spelling of 2104765405 in words is "two billion, one hundred four million, seven hundred sixty-five thousand, four hundred five".