2100064999 has 2 divisors, whose sum is σ = 2100065000. Its totient is φ = 2100064998.

The previous prime is 2100064969. The next prime is 2100065047. The reversal of 2100064999 is 9994600012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100064999 - 2¹³ = 2100056807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100064919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050032499 + 1050032500.

It is an arithmetic number, because the mean of its divisors is an integer number (1050032500).

Almost surely, 2^2100064999 is an apocalyptic number.

2100064999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100064999 is an equidigital number, since it uses as much as digits as its factorization.

2100064999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2100064999 is about 45826.4661413031. The cubic root of 2100064999 is about 1280.5923769726.

The spelling of 2100064999 in words is "two billion, one hundred million, sixty-four thousand, nine hundred ninety-nine".