2140550999 has 2 divisors, whose sum is σ = 2140551000. Its totient is φ = 2140550998.

The previous prime is 2140550969. The next prime is 2140551011. The reversal of 2140550999 is 9990550412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140550999 - 2⁸ = 2140550743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140550969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070275499 + 1070275500.

It is an arithmetic number, because the mean of its divisors is an integer number (1070275500).

Almost surely, 2^2140550999 is an apocalyptic number.

2140550999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140550999 is an equidigital number, since it uses as much as digits as its factorization.

2140550999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 2140550999 is about 46266.0890826100. The cubic root of 2140550999 is about 1288.7693326896.

The spelling of 2140550999 in words is "two billion, one hundred forty million, five hundred fifty thousand, nine hundred ninety-nine".