99902093 has 2 divisors, whose sum is σ = 99902094. Its totient is φ = 99902092.

The previous prime is 99902063. The next prime is 99902141. The reversal of 99902093 is 39020999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52388644 + 47513449 = 7238^2 + 6893^2 .

It is an emirp because it is prime and its reverse (39020999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99902093 - 2¹² = 99897997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99902093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99902063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49951046 + 49951047.

It is an arithmetic number, because the mean of its divisors is an integer number (49951047).

Almost surely, 2^99902093 is an apocalyptic number.

It is an amenable number.

99902093 is a deficient number, since it is larger than the sum of its proper divisors (1).

99902093 is an equidigital number, since it uses as much as digits as its factorization.

99902093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 99902093 is about 9995.1034511905. The cubic root of 99902093 is about 464.0073525514.

The spelling of 99902093 in words is "ninety-nine million, nine hundred two thousand, ninety-three".