2109137932907 has 4 divisors (see below), whose sum is σ = 2143713964656. Its totient is φ = 2074561901160.

The previous prime is 2109137932901. The next prime is 2109137932921. The reversal of 2109137932907 is 7092397319012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2109137932907 - 2¹⁶ = 2109137867371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109137932901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17288015783 + ... + 17288015904.

It is an arithmetic number, because the mean of its divisors is an integer number (535928491164).

Almost surely, 2^{2109137932907} is an apocalyptic number.

2109137932907 is a deficient number, since it is larger than the sum of its proper divisors (34576031749).

2109137932907 is an equidigital number, since it uses as much as digits as its factorization.

2109137932907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34576031748.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The spelling of 2109137932907 in words is "two trillion, one hundred nine billion, one hundred thirty-seven million, nine hundred thirty-two thousand, nine hundred seven".