2102061799 has 2 divisors, whose sum is σ = 2102061800. Its totient is φ = 2102061798.

The previous prime is 2102061757. The next prime is 2102061803. The reversal of 2102061799 is 9971602012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102061799 - 2¹³ = 2102053607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102061749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051030899 + 1051030900.

It is an arithmetic number, because the mean of its divisors is an integer number (1051030900).

Almost surely, 2^2102061799 is an apocalyptic number.

2102061799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102061799 is an equidigital number, since it uses as much as digits as its factorization.

2102061799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2102061799 is about 45848.2475019493. The cubic root of 2102061799 is about 1280.9981226420.

The spelling of 2102061799 in words is "two billion, one hundred two million, sixty-one thousand, seven hundred ninety-nine".