2881247642 has 16 divisors (see below), whose sum is σ = 5319226752. Its totient is φ = 1139834160.

The previous prime is 2881247617. The next prime is 2881247657. The reversal of 2881247642 is 2467421882.

It is a junction number, because it is equal to n+sod(n) for n = 2881247593 and 2881247602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7915334 + ... + 7915697.

It is an arithmetic number, because the mean of its divisors is an integer number (332451672).

Almost surely, 2^2881247642 is an apocalyptic number.

2881247642 is a deficient number, since it is larger than the sum of its proper divisors (2437979110).

2881247642 is a wasteful number, since it uses less digits than its factorization.

2881247642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831053.

The product of its digits is 344064, while the sum is 44.

The square root of 2881247642 is about 53677.2544193535. The cubic root of 2881247642 is about 1422.9627425742.

The spelling of 2881247642 in words is "two billion, eight hundred eighty-one million, two hundred forty-seven thousand, six hundred forty-two".