2891614484648 has 32 divisors (see below), whose sum is σ = 5503556431200. Its totient is φ = 1424006160192.

The previous prime is 2891614484623. The next prime is 2891614484663. The reversal of 2891614484648 is 8464844161982.

It is a super-2 number, since 2×2891614484648² (a number of 26 digits) contains 22 as substring.

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, 3050411 + ... + 3884357.

It is an arithmetic number, because the mean of its divisors is an integer number (171986138475).

Almost surely, 2^{2891614484648} is an apocalyptic number.

It is an amenable number.

2891614484648 is a deficient number, since it is larger than the sum of its proper divisors (2611941946552).

2891614484648 is a wasteful number, since it uses less digits than its factorization.

2891614484648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840489 (or 840485 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 65.

The spelling of 2891614484648 in words is "two trillion, eight hundred ninety-one billion, six hundred fourteen million, four hundred eighty-four thousand, six hundred forty-eight".