2106634745099 has 2 divisors, whose sum is σ = 2106634745100. Its totient is φ = 2106634745098.

The previous prime is 2106634745029. The next prime is 2106634745107. The reversal of 2106634745099 is 9905474366012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2106634745099 - 2⁸ = 2106634744843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106634745029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053317372549 + 1053317372550.

It is an arithmetic number, because the mean of its divisors is an integer number (1053317372550).

Almost surely, 2^{2106634745099} is an apocalyptic number.

2106634745099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106634745099 is an equidigital number, since it uses as much as digits as its factorization.

2106634745099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 2106634745099 in words is "two trillion, one hundred six billion, six hundred thirty-four million, seven hundred forty-five thousand, ninety-nine".