2109377370064 has 20 divisors (see below), whose sum is σ = 4264610770656. Its totient is φ = 1008832655072.

The previous prime is 2109377370047. The next prime is 2109377370127. The reversal of 2109377370064 is 4600737739012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866001494 + ... + 2866002229.

Almost surely, 2^{2109377370064} is an apocalyptic number.

It is an amenable number.

2109377370064 is an abundant number, since it is smaller than the sum of its proper divisors (2155233400592).

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

2109377370064 is a wasteful number, since it uses less digits than its factorization.

2109377370064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732003754 (or 5732003748 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 2109377370064 in words is "two trillion, one hundred nine billion, three hundred seventy-seven million, three hundred seventy thousand, sixty-four".