1002000099949 has 2 divisors, whose sum is σ = 1002000099950. Its totient is φ = 1002000099948.

The previous prime is 1002000099931. The next prime is 1002000100019. The reversal of 1002000099949 is 9499900002001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932031914724 + 69968185225 = 965418^2 + 264515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002000099949 - 2⁵ = 1002000099917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002000099349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501000049974 + 501000049975.

It is an arithmetic number, because the mean of its divisors is an integer number (501000049975).

Almost surely, 2^{1002000099949} is an apocalyptic number.

It is an amenable number.

1002000099949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002000099949 is an equidigital number, since it uses as much as digits as its factorization.

1002000099949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 1002000099949 in words is "one trillion, two billion, ninety-nine thousand, nine hundred forty-nine".