2104459951 has 24 divisors (see below), whose sum is σ = 2355236352. Its totient is φ = 1878584400.

The previous prime is 2104459949. The next prime is 2104459963. The reversal of 2104459951 is 1599544012.

It is not a de Polignac number, because 2104459951 - 2¹ = 2104459949 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 (2104459051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4183566 + ... + 4184068.

It is an arithmetic number, because the mean of its divisors is an integer number (98134848).

Almost surely, 2^2104459951 is an apocalyptic number.

2104459951 is a deficient number, since it is larger than the sum of its proper divisors (250776401).

2104459951 is a wasteful number, since it uses less digits than its factorization.

2104459951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 2104459951 is about 45874.3931948969. The cubic root of 2104459951 is about 1281.4850827468.

The spelling of 2104459951 in words is "two billion, one hundred four million, four hundred fifty-nine thousand, nine hundred fifty-one".