349684993667 has 2 divisors, whose sum is σ = 349684993668. Its totient is φ = 349684993666.

The previous prime is 349684993663. The next prime is 349684993727. The reversal of 349684993667 is 766399486943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349684993667 - 2² = 349684993663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349684993594 and 349684993603.

It is not a weakly prime, because it can be changed into another prime (349684993663) 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, 174842496833 + 174842496834.

It is an arithmetic number, because the mean of its divisors is an integer number (174842496834).

Almost surely, 2^349684993667 is an apocalyptic number.

349684993667 is a deficient number, since it is larger than the sum of its proper divisors (1).

349684993667 is an equidigital number, since it uses as much as digits as its factorization.

349684993667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1269789696, while the sum is 74.

The spelling of 349684993667 in words is "three hundred forty-nine billion, six hundred eighty-four million, nine hundred ninety-three thousand, six hundred sixty-seven".