344139513017 has 4 divisors (see below), whose sum is σ = 347355770256. Its totient is φ = 340923255780.

The previous prime is 344139512933. The next prime is 344139513037. The reversal of 344139513017 is 710315931443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710315931443 = 107 ⋅6638466649.

It is a cyclic number.

It is not a de Polignac number, because 344139513017 - 2²⁰ = 344138464441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344139513037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608128459 + ... + 1608128672.

It is an arithmetic number, because the mean of its divisors is an integer number (86838942564).

Almost surely, 2^344139513017 is an apocalyptic number.

It is an amenable number.

344139513017 is a deficient number, since it is larger than the sum of its proper divisors (3216257239).

344139513017 is a wasteful number, since it uses less digits than its factorization.

344139513017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216257238.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 344139513017 in words is "three hundred forty-four billion, one hundred thirty-nine million, five hundred thirteen thousand, seventeen".