3440789679 has 4 divisors (see below), whose sum is σ = 4587719576. Its totient is φ = 2293859784.

The previous prime is 3440789669. The next prime is 3440789699. The reversal of 3440789679 is 9769870443.

3440789679 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3440789679 - 2⁴ = 3440789663 is a prime.

It is a super-2 number, since 2×3440789679² = 23678067230225846082, which 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 (3440789669) 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, 573464944 + ... + 573464949.

It is an arithmetic number, because the mean of its divisors is an integer number (1146929894).

Almost surely, 2^3440789679 is an apocalyptic number.

3440789679 is a deficient number, since it is larger than the sum of its proper divisors (1146929897).

3440789679 is a wasteful number, since it uses less digits than its factorization.

3440789679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146929896.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The square root of 3440789679 is about 58658.2447657616. The cubic root of 3440789679 is about 1509.6839651162.

The spelling of 3440789679 in words is "three billion, four hundred forty million, seven hundred eighty-nine thousand, six hundred seventy-nine".