2456084921 has 8 divisors (see below), whose sum is σ = 2482374024. Its totient is φ = 2429930880.

The previous prime is 2456084909. The next prime is 2456084929. The reversal of 2456084921 is 1294806542.

It can be written as a sum of positive squares in 4 ways, for example, as 275194921 + 2180890000 = 16589^2 + 46700^2 .

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 2456084921 - 2¹⁰ = 2456083897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2456084929) 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, 3011 + ... + 70151.

It is an arithmetic number, because the mean of its divisors is an integer number (310296753).

Almost surely, 2^2456084921 is an apocalyptic number.

It is an amenable number.

2456084921 is a deficient number, since it is larger than the sum of its proper divisors (26289103).

2456084921 is a wasteful number, since it uses less digits than its factorization.

2456084921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67531.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2456084921 is about 49558.9035492110. The cubic root of 2456084921 is about 1349.2148925632.

The spelling of 2456084921 in words is "two billion, four hundred fifty-six million, eighty-four thousand, nine hundred twenty-one".