349919999999 has 2 divisors, whose sum is σ = 349920000000. Its totient is φ = 349919999998.

The previous prime is 349919999993. The next prime is 349920000007. The reversal of 349919999999 is 999999919943.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349919999999 is a prime.

349919999999 is a modest number, since divided by 999999 gives 349919 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349919999993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174959999999 + 174960000000.

It is an arithmetic number, because the mean of its divisors is an integer number (174960000000).

Almost surely, 2^349919999999 is an apocalyptic number.

349919999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

349919999999 is an equidigital number, since it uses as much as digits as its factorization.

349919999999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4649045868, while the sum is 89.

The spelling of 349919999999 in words is "three hundred forty-nine billion, nine hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".