4047745407 has 16 divisors (see below), whose sum is σ = 5743485792. Its totient is φ = 2526863360.

The previous prime is 4047745399. The next prime is 4047745433. The reversal of 4047745407 is 7045477404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4047745407 - 2³ = 4047745399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047745447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191394 + ... + 211487.

It is an arithmetic number, because the mean of its divisors is an integer number (358967862).

Almost surely, 2^4047745407 is an apocalyptic number.

4047745407 is a deficient number, since it is larger than the sum of its proper divisors (1695740385).

4047745407 is a wasteful number, since it uses less digits than its factorization.

4047745407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403098.

The product of its (nonzero) digits is 439040, while the sum is 42.

The square root of 4047745407 is about 63621.8940852911. The cubic root of 4047745407 is about 1593.6920133674.

The spelling of 4047745407 in words is "four billion, forty-seven million, seven hundred forty-five thousand, four hundred seven".