3420935747 has 4 divisors (see below), whose sum is σ = 3426175200. Its totient is φ = 3415696296.

The previous prime is 3420935743. The next prime is 3420935753. The reversal of 3420935747 is 7475390243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7475390243 = 3037 ⋅2461439.

It is a cyclic number.

It is not a de Polignac number, because 3420935747 - 2² = 3420935743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420935698 and 3420935707.

It is not an unprimeable number, because it can be changed into a prime (3420935743) 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, 2618747 + ... + 2620052.

It is an arithmetic number, because the mean of its divisors is an integer number (856543800).

Almost surely, 2^3420935747 is an apocalyptic number.

3420935747 is a deficient number, since it is larger than the sum of its proper divisors (5239453).

3420935747 is an equidigital number, since it uses as much as digits as its factorization.

3420935747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239452.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 3420935747 is about 58488.7659897181. The cubic root of 3420935747 is about 1506.7746525106.

The spelling of 3420935747 in words is "three billion, four hundred twenty million, nine hundred thirty-five thousand, seven hundred forty-seven".