2109848637501 has 24 divisors (see below), whose sum is σ = 3324659538720. Its totient is φ = 1278677080800.

The previous prime is 2109848637487. The next prime is 2109848637509. The reversal of 2109848637501 is 1057368489012.

2109848637501 is a `hidden beast` number, since 2 + 1 + 0 + 98 + 48 + 6 + 3 + 7 + 501 = 666.

It is not a de Polignac number, because 2109848637501 - 2⁶ = 2109848637437 is a prime.

It is a super-2 number, since 2×2109848637501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109848637509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9414135 + ... + 9635643.

It is an arithmetic number, because the mean of its divisors is an integer number (138527480780).

It is a 1-persistent number, because it is pandigital, but 2⋅2109848637501 = 4219697275002 is not.

Almost surely, 2^{2109848637501} is an apocalyptic number.

It is an amenable number.

2109848637501 is a deficient number, since it is larger than the sum of its proper divisors (1214810901219).

2109848637501 is a wasteful number, since it uses less digits than its factorization.

2109848637501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317737 (or 317734 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 2109848637501 in words is "two trillion, one hundred nine billion, eight hundred forty-eight million, six hundred thirty-seven thousand, five hundred one".