2445054721 has 8 divisors (see below), whose sum is σ = 2613590784. Its totient is φ = 2281704480.

The previous prime is 2445054719. The next prime is 2445054737. The reversal of 2445054721 is 1274505442.

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 2445054721 - 2¹ = 2445054719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445052721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295481 + ... + 1297366.

It is an arithmetic number, because the mean of its divisors is an integer number (326698848).

Almost surely, 2^2445054721 is an apocalyptic number.

It is an amenable number.

2445054721 is a deficient number, since it is larger than the sum of its proper divisors (168536063).

2445054721 is a wasteful number, since it uses less digits than its factorization.

2445054721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592911.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 2445054721 is about 49447.4945876937. The cubic root of 2445054721 is about 1347.1921009116.

The spelling of 2445054721 in words is "two billion, four hundred forty-five million, fifty-four thousand, seven hundred twenty-one".