4345342639 has 8 divisors (see below), whose sum is σ = 4807140480. Its totient is φ = 3894672600.

The previous prime is 4345342619. The next prime is 4345342667. The reversal of 4345342639 is 9362435434.

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 4345342639 - 2⁵ = 4345342607 is a prime.

It is a super-2 number, since 2×4345342639² = 37764005300622968642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4345342595 and 4345342604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345342619) 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 7 ways as a sum of consecutive naturals, for example, 2781129 + ... + 2782690.

It is an arithmetic number, because the mean of its divisors is an integer number (600892560).

Almost surely, 2^4345342639 is an apocalyptic number.

4345342639 is a deficient number, since it is larger than the sum of its proper divisors (461797841).

4345342639 is a wasteful number, since it uses less digits than its factorization.

4345342639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563901.

The product of its digits is 933120, while the sum is 43.

The square root of 4345342639 is about 65919.2129731537. The cubic root of 4345342639 is about 1631.8291081983.

The spelling of 4345342639 in words is "four billion, three hundred forty-five million, three hundred forty-two thousand, six hundred thirty-nine".