2387064921 has 8 divisors (see below), whose sum is σ = 3197026560. Its totient is φ = 1584239952.

The previous prime is 2387064917. The next prime is 2387064923. The reversal of 2387064921 is 1294607832.

2387064921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2387064921 - 2² = 2387064917 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2387064923) 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, 1783386 + ... + 1784723.

It is an arithmetic number, because the mean of its divisors is an integer number (399628320).

Almost surely, 2^2387064921 is an apocalyptic number.

It is an amenable number.

2387064921 is a deficient number, since it is larger than the sum of its proper divisors (809961639).

2387064921 is a wasteful number, since it uses less digits than its factorization.

2387064921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568335.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2387064921 is about 48857.5983957460. The cubic root of 2387064921 is about 1336.4562414495.

The spelling of 2387064921 in words is "two billion, three hundred eighty-seven million, sixty-four thousand, nine hundred twenty-one".