990150349 has 2 divisors, whose sum is σ = 990150350. Its totient is φ = 990150348.

The previous prime is 990150347. The next prime is 990150383. The reversal of 990150349 is 943051099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982822500 + 7327849 = 31350^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 990150349 - 2¹ = 990150347 is a prime.

Together with 990150347, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990150347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495075174 + 495075175.

It is an arithmetic number, because the mean of its divisors is an integer number (495075175).

Almost surely, 2^990150349 is an apocalyptic number.

It is an amenable number.

990150349 is a deficient number, since it is larger than the sum of its proper divisors (1).

990150349 is an equidigital number, since it uses as much as digits as its factorization.

990150349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 990150349 is about 31466.6545568480. The cubic root of 990150349 is about 996.7059441102.

The spelling of 990150349 in words is "nine hundred ninety million, one hundred fifty thousand, three hundred forty-nine".