2642858387 has 4 divisors (see below), whose sum is σ = 2846155200. Its totient is φ = 2439561576.

The previous prime is 2642858353. The next prime is 2642858423. The reversal of 2642858387 is 7838582462.

2642858387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2642858387 - 2¹⁴ = 2642842003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642858327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101648387 + ... + 101648412.

It is an arithmetic number, because the mean of its divisors is an integer number (711538800).

Almost surely, 2^2642858387 is an apocalyptic number.

2642858387 is a deficient number, since it is larger than the sum of its proper divisors (203296813).

2642858387 is a wasteful number, since it uses less digits than its factorization.

2642858387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203296812.

The product of its digits is 5160960, while the sum is 53.

The square root of 2642858387 is about 51408.7384303486. The cubic root of 2642858387 is about 1382.5832707327.

The spelling of 2642858387 in words is "two billion, six hundred forty-two million, eight hundred fifty-eight thousand, three hundred eighty-seven".