2421568385 has 8 divisors (see below), whose sum is σ = 2922117120. Its totient is φ = 1926431344.

The previous prime is 2421568367. The next prime is 2421568403. The reversal of 2421568385 is 5838651242.

It is an interprime number because it is at equal distance from previous prime (2421568367) and next prime (2421568403).

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 2421568385 - 2⁶ = 2421568321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351937 + ... + 1353726.

It is an arithmetic number, because the mean of its divisors is an integer number (365264640).

Almost surely, 2^2421568385 is an apocalyptic number.

It is an amenable number.

2421568385 is a deficient number, since it is larger than the sum of its proper divisors (500548735).

2421568385 is a wasteful number, since it uses less digits than its factorization.

2421568385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705847.

The product of its digits is 460800, while the sum is 44.

The square root of 2421568385 is about 49209.4339024541. The cubic root of 2421568385 is about 1342.8646640242.

The spelling of 2421568385 in words is "two billion, four hundred twenty-one million, five hundred sixty-eight thousand, three hundred eighty-five".