2107436020849 has 4 divisors (see below), whose sum is σ = 2107802983936. Its totient is φ = 2107069057764.

The previous prime is 2107436020843. The next prime is 2107436020891. The reversal of 2107436020849 is 9480206347012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2107436020849 - 2¹¹ = 2107436018801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2107436020799 and 2107436020808.

It is not an unprimeable number, because it can be changed into a prime (2107436020843) 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, 183472929 + ... + 183484414.

It is an arithmetic number, because the mean of its divisors is an integer number (526950745984).

Almost surely, 2^{2107436020849} is an apocalyptic number.

It is an amenable number.

2107436020849 is a deficient number, since it is larger than the sum of its proper divisors (366963087).

2107436020849 is an equidigital number, since it uses as much as digits as its factorization.

2107436020849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366963086.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 2107436020849 in words is "two trillion, one hundred seven billion, four hundred thirty-six million, twenty thousand, eight hundred forty-nine".