2344725621 has 24 divisors (see below), whose sum is σ = 3872768640. Its totient is φ = 1339112736.

The previous prime is 2344725619. The next prime is 2344725623. The reversal of 2344725621 is 1265274432.

2344725621 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 7 + 25 + 621 = 666.

2344725621 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2344725619) and next prime (2344725623).

It is not a de Polignac number, because 2344725621 - 2¹ = 2344725619 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2344725623) 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, 119331 + ... + 137583.

It is an arithmetic number, because the mean of its divisors is an integer number (161365360).

Almost surely, 2^2344725621 is an apocalyptic number.

2344725621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2344725621 is a deficient number, since it is larger than the sum of its proper divisors (1528043019).

2344725621 is a wasteful number, since it uses less digits than its factorization.

2344725621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20305 (or 20302 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 2344725621 is about 48422.3669495823. The cubic root of 2344725621 is about 1328.5074973795.

The spelling of 2344725621 in words is "two billion, three hundred forty-four million, seven hundred twenty-five thousand, six hundred twenty-one".