3403756945 has 4 divisors (see below), whose sum is σ = 4084508340. Its totient is φ = 2723005552.

The previous prime is 3403756943. The next prime is 3403756973. The reversal of 3403756945 is 5496573043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5496573043 = 13 ⋅422813311.

It can be written as a sum of positive squares in 2 ways, for example, as 1044517761 + 2359239184 = 32319^2 + 48572^2 .

It is a cyclic number.

It is not a de Polignac number, because 3403756945 - 2¹ = 3403756943 is a prime.

It is a super-2 number, since 2×3403756945² = 23171122681271466050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3403756895 and 3403756904.

It is not an unprimeable number, because it can be changed into a prime (3403756943) 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, 340375690 + ... + 340375699.

It is an arithmetic number, because the mean of its divisors is an integer number (1021127085).

Almost surely, 2^3403756945 is an apocalyptic number.

It is an amenable number.

3403756945 is a deficient number, since it is larger than the sum of its proper divisors (680751395).

3403756945 is an equidigital number, since it uses as much as digits as its factorization.

3403756945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680751394.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The square root of 3403756945 is about 58341.7255915524. The cubic root of 3403756945 is about 1504.2482450655.

The spelling of 3403756945 in words is "three billion, four hundred three million, seven hundred fifty-six thousand, nine hundred forty-five".