99910039 has 2 divisors, whose sum is σ = 99910040. Its totient is φ = 99910038.

The previous prime is 99910007. The next prime is 99910049. The reversal of 99910039 is 93001999.

It is a strong prime.

It is an emirp because it is prime and its reverse (93001999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99910039 - 2⁵ = 99910007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99909983 and 99910010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99910049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49955019 + 49955020.

It is an arithmetic number, because the mean of its divisors is an integer number (49955020).

Almost surely, 2^99910039 is an apocalyptic number.

99910039 is a deficient number, since it is larger than the sum of its proper divisors (1).

99910039 is an equidigital number, since it uses as much as digits as its factorization.

99910039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683, while the sum is 40.

The square root of 99910039 is about 9995.5009379220. The cubic root of 99910039 is about 464.0196542779.

The spelling of 99910039 in words is "ninety-nine million, nine hundred ten thousand, thirty-nine".