4405938547 has 2 divisors, whose sum is σ = 4405938548. Its totient is φ = 4405938546.

The previous prime is 4405938539. The next prime is 4405938587. The reversal of 4405938547 is 7458395044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4405938547 - 2³ = 4405938539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4405938547.

It is not a weakly prime, because it can be changed into another prime (4405938517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202969273 + 2202969274.

It is an arithmetic number, because the mean of its divisors is an integer number (2202969274).

Almost surely, 2^4405938547 is an apocalyptic number.

4405938547 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405938547 is an equidigital number, since it uses as much as digits as its factorization.

4405938547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 4405938547 is about 66377.2441955826. The cubic root of 4405938547 is about 1639.3794185557.

The spelling of 4405938547 in words is "four billion, four hundred five million, nine hundred thirty-eight thousand, five hundred forty-seven".