6900556099 has 2 divisors, whose sum is σ = 6900556100. Its totient is φ = 6900556098.

The previous prime is 6900556081. The next prime is 6900556109. The reversal of 6900556099 is 9906550096.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6900556099 - 2⁵ = 6900556067 is a prime.

It is not a weakly prime, because it can be changed into another prime (6900556079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450278049 + 3450278050.

It is an arithmetic number, because the mean of its divisors is an integer number (3450278050).

Almost surely, 2^6900556099 is an apocalyptic number.

6900556099 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900556099 is an equidigital number, since it uses as much as digits as its factorization.

6900556099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 656100, while the sum is 49.

The square root of 6900556099 is about 83069.5858843656. The cubic root of 6900556099 is about 1903.8294049946.

The spelling of 6900556099 in words is "six billion, nine hundred million, five hundred fifty-six thousand, ninety-nine".