2169013748780 has 12 divisors (see below), whose sum is σ = 4554928872480. Its totient is φ = 867605499504.

The previous prime is 2169013748717. The next prime is 2169013748813. The reversal of 2169013748780 is 878473109612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54225343700 + ... + 54225343739.

It is an arithmetic number, because the mean of its divisors is an integer number (379577406040).

Almost surely, 2^{2169013748780} is an apocalyptic number.

2169013748780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169013748780 is an abundant number, since it is smaller than the sum of its proper divisors (2385915123700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2169013748780 is a wasteful number, since it uses less digits than its factorization.

2169013748780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108450687448 (or 108450687446 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 2169013748780 in words is "two trillion, one hundred sixty-nine billion, thirteen million, seven hundred forty-eight thousand, seven hundred eighty".