4043694345 has 16 divisors (see below), whose sum is σ = 6480480192. Its totient is φ = 2153113920.

The previous prime is 4043694337. The next prime is 4043694353. The reversal of 4043694345 is 5434963404.

It is an interprime number because it is at equal distance from previous prime (4043694337) and next prime (4043694353).

It is not a de Polignac number, because 4043694345 - 2³ = 4043694337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4043694297 and 4043694306.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 210691 + ... + 229080.

It is an arithmetic number, because the mean of its divisors is an integer number (405030012).

Almost surely, 2^4043694345 is an apocalyptic number.

It is an amenable number.

4043694345 is a deficient number, since it is larger than the sum of its proper divisors (2436785847).

4043694345 is a wasteful number, since it uses less digits than its factorization.

4043694345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440392.

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 4043694345 is about 63590.0491036137. The cubic root of 4043694345 is about 1593.1601699570.

The spelling of 4043694345 in words is "four billion, forty-three million, six hundred ninety-four thousand, three hundred forty-five".