349199767669 has 8 divisors (see below), whose sum is σ = 351492691680. Its totient is φ = 346908680496.

The previous prime is 349199767663. The next prime is 349199767673. The reversal of 349199767669 is 966767991943.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349199767669 - 2¹⁹ = 349199243381 is a prime.

It is a super-2 number, since 2×349199767669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349199767595 and 349199767604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349199767663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76702 + ... + 839215.

It is an arithmetic number, because the mean of its divisors is an integer number (43936586460).

Almost surely, 2^349199767669 is an apocalyptic number.

It is an amenable number.

349199767669 is a deficient number, since it is larger than the sum of its proper divisors (2292924011).

349199767669 is a wasteful number, since it uses less digits than its factorization.

349199767669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918419.

The product of its digits is 833299488, while the sum is 76.

The spelling of 349199767669 in words is "three hundred forty-nine billion, one hundred ninety-nine million, seven hundred sixty-seven thousand, six hundred sixty-nine".