99990910039 has 2 divisors, whose sum is σ = 99990910040. Its totient is φ = 99990910038.

The previous prime is 99990909983. The next prime is 99990910069. The reversal of 99990910039 is 93001909999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99990910039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99990910069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49995455019 + 49995455020.

It is an arithmetic number, because the mean of its divisors is an integer number (49995455020).

Almost surely, 2^99990910039 is an apocalyptic number.

99990910039 is a deficient number, since it is larger than the sum of its proper divisors (1).

99990910039 is an equidigital number, since it uses as much as digits as its factorization.

99990910039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1594323, while the sum is 58.

The spelling of 99990910039 in words is "ninety-nine billion, nine hundred ninety million, nine hundred ten thousand, thirty-nine".