2385560021 has 16 divisors (see below), whose sum is σ = 2608744320. Its totient is φ = 2168224320.

The previous prime is 2385560017. The next prime is 2385560033. The reversal of 2385560021 is 1200655832.

It is a cyclic number.

It is not a de Polignac number, because 2385560021 - 2² = 2385560017 is a prime.

It is a super-2 number, since 2×2385560021² = 11381793227587040882, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2385560021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385520021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332015 + ... + 339123.

It is an arithmetic number, because the mean of its divisors is an integer number (163046520).

Almost surely, 2^2385560021 is an apocalyptic number.

It is an amenable number.

2385560021 is a deficient number, since it is larger than the sum of its proper divisors (223184299).

2385560021 is a wasteful number, since it uses less digits than its factorization.

2385560021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2385560021 is about 48842.1950878541. The cubic root of 2385560021 is about 1336.1753308101.

The spelling of 2385560021 in words is "two billion, three hundred eighty-five million, five hundred sixty thousand, twenty-one".