2061692987099 has 2 divisors, whose sum is σ = 2061692987100. Its totient is φ = 2061692987098.

The previous prime is 2061692987077. The next prime is 2061692987117. The reversal of 2061692987099 is 9907892961602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061692987099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2061692987399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030846493549 + 1030846493550.

It is an arithmetic number, because the mean of its divisors is an integer number (1030846493550).

Almost surely, 2^{2061692987099} is an apocalyptic number.

2061692987099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061692987099 is an equidigital number, since it uses as much as digits as its factorization.

2061692987099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 68.

The spelling of 2061692987099 in words is "two trillion, sixty-one billion, six hundred ninety-two million, nine hundred eighty-seven thousand, ninety-nine".