2387638745 has 8 divisors (see below), whose sum is σ = 2874381120. Its totient is φ = 1903967920.

The previous prime is 2387638741. The next prime is 2387638751. The reversal of 2387638745 is 5478367832.

2387638745 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 2387638745 - 2² = 2387638741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2387638741) 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, 766175 + ... + 769284.

It is an arithmetic number, because the mean of its divisors is an integer number (359297640).

Almost surely, 2^2387638745 is an apocalyptic number.

It is an amenable number.

2387638745 is a deficient number, since it is larger than the sum of its proper divisors (486742375).

2387638745 is a wasteful number, since it uses less digits than its factorization.

2387638745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535775.

The product of its digits is 6773760, while the sum is 53.

The square root of 2387638745 is about 48863.4704559551. The cubic root of 2387638745 is about 1336.5633226349.

The spelling of 2387638745 in words is "two billion, three hundred eighty-seven million, six hundred thirty-eight thousand, seven hundred forty-five".