3418706749 has 4 divisors (see below), whose sum is σ = 3619807164. Its totient is φ = 3217606336.

The previous prime is 3418706719. The next prime is 3418706761. The reversal of 3418706749 is 9476078143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9476078143 = 7 ⋅1353725449.

It can be written as a sum of positive squares in 2 ways, for example, as 1730976025 + 1687730724 = 41605^2 + 41082^2 .

It is a cyclic number.

It is not a de Polignac number, because 3418706749 - 2⁵ = 3418706717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3418706719) 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, 100550182 + ... + 100550215.

It is an arithmetic number, because the mean of its divisors is an integer number (904951791).

Almost surely, 2^3418706749 is an apocalyptic number.

It is an amenable number.

3418706749 is a deficient number, since it is larger than the sum of its proper divisors (201100415).

3418706749 is a wasteful number, since it uses less digits than its factorization.

3418706749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201100414.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 3418706749 is about 58469.7079606184. The cubic root of 3418706749 is about 1506.4473222458.

The spelling of 3418706749 in words is "three billion, four hundred eighteen million, seven hundred six thousand, seven hundred forty-nine".