2200109939857 has 2 divisors, whose sum is σ = 2200109939858. Its totient is φ = 2200109939856.

The previous prime is 2200109939837. The next prime is 2200109939887. The reversal of 2200109939857 is 7589399010022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2133378650881 + 66731288976 = 1460609^2 + 258324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200109939857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200109939798 and 2200109939807.

It is not a weakly prime, because it can be changed into another prime (2200109939827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100054969928 + 1100054969929.

It is an arithmetic number, because the mean of its divisors is an integer number (1100054969929).

Almost surely, 2^{2200109939857} is an apocalyptic number.

It is an amenable number.

2200109939857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200109939857 is an equidigital number, since it uses as much as digits as its factorization.

2200109939857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 2200109939857 in words is "two trillion, two hundred billion, one hundred nine million, nine hundred thirty-nine thousand, eight hundred fifty-seven".