350143979 has 2 divisors, whose sum is σ = 350143980. Its totient is φ = 350143978.

The previous prime is 350143967. The next prime is 350144009. The reversal of 350143979 is 979341053.

It is a weak prime.

It is an emirp because it is prime and its reverse (979341053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350143979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350143909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175071989 + 175071990.

It is an arithmetic number, because the mean of its divisors is an integer number (175071990).

Almost surely, 2^350143979 is an apocalyptic number.

350143979 is a deficient number, since it is larger than the sum of its proper divisors (1).

350143979 is an equidigital number, since it uses as much as digits as its factorization.

350143979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 350143979 is about 18712.1345388494. The cubic root of 350143979 is about 704.8264945324.

The spelling of 350143979 in words is "three hundred fifty million, one hundred forty-three thousand, nine hundred seventy-nine".