2642871455 has 16 divisors (see below), whose sum is σ = 3644766720. Its totient is φ = 1802126112.

The previous prime is 2642871449. The next prime is 2642871457. The reversal of 2642871455 is 5541782462.

2642871455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2642871455 - 2⁸ = 2642871199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642871457) 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, 204659 + ... + 217188.

It is an arithmetic number, because the mean of its divisors is an integer number (227797920).

Almost surely, 2^2642871455 is an apocalyptic number.

2642871455 is a deficient number, since it is larger than the sum of its proper divisors (1001895265).

2642871455 is a wasteful number, since it uses less digits than its factorization.

2642871455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422038.

The product of its digits is 537600, while the sum is 44.

The square root of 2642871455 is about 51408.8655292061. The cubic root of 2642871455 is about 1382.5855495240.

The spelling of 2642871455 in words is "two billion, six hundred forty-two million, eight hundred seventy-one thousand, four hundred fifty-five".