350980991 has 2 divisors, whose sum is σ = 350980992. Its totient is φ = 350980990.

The previous prime is 350980961. The next prime is 350981069. The reversal of 350980991 is 199089053.

It is a weak prime.

It is an emirp because it is prime and its reverse (199089053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350980991 - 2¹⁸ = 350718847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350980961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175490495 + 175490496.

It is an arithmetic number, because the mean of its divisors is an integer number (175490496).

Almost surely, 2^350980991 is an apocalyptic number.

350980991 is a deficient number, since it is larger than the sum of its proper divisors (1).

350980991 is an equidigital number, since it uses as much as digits as its factorization.

350980991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 350980991 is about 18734.4866756471. The cubic root of 350980991 is about 705.3876720348.

The spelling of 350980991 in words is "three hundred fifty million, nine hundred eighty thousand, nine hundred ninety-one".