369000991 has 2 divisors, whose sum is σ = 369000992. Its totient is φ = 369000990.

The previous prime is 369000979. The next prime is 369001001. The reversal of 369000991 is 199000963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 369000991 - 2²¹ = 366903839 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 369000991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (369001991) 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, 184500495 + 184500496.

It is an arithmetic number, because the mean of its divisors is an integer number (184500496).

Almost surely, 2^369000991 is an apocalyptic number.

369000991 is a deficient number, since it is larger than the sum of its proper divisors (1).

369000991 is an equidigital number, since it uses as much as digits as its factorization.

369000991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 369000991 is about 19209.3985069809. The cubic root of 369000991 is about 717.2587321066.

The spelling of 369000991 in words is "three hundred sixty-nine million, nine hundred ninety-one", and thus it is an aban number.