2121527798846 has 64 divisors (see below), whose sum is σ = 3470526259200. Its totient is φ = 969201604224.

The previous prime is 2121527798843. The next prime is 2121527798857. The reversal of 2121527798846 is 6488977251212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121527798843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224804840 + ... + 224814276.

It is an arithmetic number, because the mean of its divisors is an integer number (54226972800).

Almost surely, 2^{2121527798846} is an apocalyptic number.

2121527798846 is a deficient number, since it is larger than the sum of its proper divisors (1348998460354).

2121527798846 is a wasteful number, since it uses less digits than its factorization.

2121527798846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881.

The product of its digits is 27095040, while the sum is 62.

The spelling of 2121527798846 in words is "two trillion, one hundred twenty-one billion, five hundred twenty-seven million, seven hundred ninety-eight thousand, eight hundred forty-six".