900990099059 has 2 divisors, whose sum is σ = 900990099060. Its totient is φ = 900990099058.

The previous prime is 900990099043. The next prime is 900990099067. The reversal of 900990099059 is 950990099009.

It is a strong prime.

It is an emirp because it is prime and its reverse (950990099009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900990099059 - 2⁴ = 900990099043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 900990098989 and 900990099007.

It is not a weakly prime, because it can be changed into another prime (900990095059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450495049529 + 450495049530.

It is an arithmetic number, because the mean of its divisors is an integer number (450495049530).

Almost surely, 2^900990099059 is an apocalyptic number.

900990099059 is a deficient number, since it is larger than the sum of its proper divisors (1).

900990099059 is an equidigital number, since it uses as much as digits as its factorization.

900990099059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2657205, while the sum is 59.

The spelling of 900990099059 in words is "nine hundred billion, nine hundred ninety million, ninety-nine thousand, fifty-nine".