2104020451 has 8 divisors (see below), whose sum is σ = 2266288640. Its totient is φ = 1941812352.

The previous prime is 2104020439. The next prime is 2104020491. The reversal of 2104020451 is 1540204012.

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 2104020451 - 2¹⁷ = 2103889379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104020491) 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 7 ways as a sum of consecutive naturals, for example, 80011 + ... + 103003.

It is an arithmetic number, because the mean of its divisors is an integer number (283286080).

Almost surely, 2^2104020451 is an apocalyptic number.

2104020451 is a deficient number, since it is larger than the sum of its proper divisors (162268189).

2104020451 is a wasteful number, since it uses less digits than its factorization.

2104020451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30045.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2104020451 is about 45869.6026906709. The cubic root of 2104020451 is about 1281.3958671572.

Adding to 2104020451 its reverse (1540204012), we get a palindrome (3644224463).

The spelling of 2104020451 in words is "two billion, one hundred four million, twenty thousand, four hundred fifty-one".