2109872652054 has 36 divisors (see below), whose sum is σ = 4230739556316. Its totient is φ = 701463267264.

The previous prime is 2109872652053. The next prime is 2109872652089. The reversal of 2109872652054 is 4502562789012.

It is a junction number, because it is equal to n+sod(n) for n = 2109872651988 and 2109872652006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109872652053) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2608000402 + ... + 2608001210.

It is an arithmetic number, because the mean of its divisors is an integer number (117520543231).

Almost surely, 2^{2109872652054} is an apocalyptic number.

2109872652054 is an abundant number, since it is smaller than the sum of its proper divisors (2120866904262).

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

2109872652054 is an frugal number, since it uses more digits than its factorization.

2109872652054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2109872652054 in words is "two trillion, one hundred nine billion, eight hundred seventy-two million, six hundred fifty-two thousand, fifty-four".