99320149 has 2 divisors, whose sum is σ = 99320150. Its totient is φ = 99320148.

The previous prime is 99320131. The next prime is 99320161. The reversal of 99320149 is 94102399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76212900 + 23107249 = 8730^2 + 4807^2 .

It is an emirp because it is prime and its reverse (94102399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99320149 - 2¹³ = 99311957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99320129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49660074 + 49660075.

It is an arithmetic number, because the mean of its divisors is an integer number (49660075).

Almost surely, 2^99320149 is an apocalyptic number.

It is an amenable number.

99320149 is a deficient number, since it is larger than the sum of its proper divisors (1).

99320149 is an equidigital number, since it uses as much as digits as its factorization.

99320149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 99320149 is about 9965.9494780979. The cubic root of 99320149 is about 463.1046276802.

The spelling of 99320149 in words is "ninety-nine million, three hundred twenty thousand, one hundred forty-nine".