349008318739 has 4 divisors (see below), whose sum is σ = 367377177640. Its totient is φ = 330639459840.

The previous prime is 349008318677. The next prime is 349008318781. The reversal of 349008318739 is 937813800943.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349008318739 - 2⁷ = 349008318611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349008318739.

It is not an unprimeable number, because it can be changed into a prime (349008316739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9184429422 + ... + 9184429459.

It is an arithmetic number, because the mean of its divisors is an integer number (91844294410).

Almost surely, 2^349008318739 is an apocalyptic number.

349008318739 is a deficient number, since it is larger than the sum of its proper divisors (18368858901).

349008318739 is a wasteful number, since it uses less digits than its factorization.

349008318739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18368858900.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 349008318739 in words is "three hundred forty-nine billion, eight million, three hundred eighteen thousand, seven hundred thirty-nine".