345670670039 has 4 divisors (see below), whose sum is σ = 345679665456. Its totient is φ = 345661674624.

The previous prime is 345670670011. The next prime is 345670670063. The reversal of 345670670039 is 930076076543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930076076543 = 1607 ⋅578765449.

It is a cyclic number.

It is not a de Polignac number, because 345670670039 - 2²⁰ = 345669621463 is a prime.

It is a super-2 number, since 2×345670670039² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345670600039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4439819 + ... + 4517004.

It is an arithmetic number, because the mean of its divisors is an integer number (86419916364).

Almost surely, 2^345670670039 is an apocalyptic number.

345670670039 is a deficient number, since it is larger than the sum of its proper divisors (8995417).

345670670039 is an equidigital number, since it uses as much as digits as its factorization.

345670670039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995416.

The product of its (nonzero) digits is 2857680, while the sum is 50.

The spelling of 345670670039 in words is "three hundred forty-five billion, six hundred seventy million, six hundred seventy thousand, thirty-nine".