9445885399 has 2 divisors, whose sum is σ = 9445885400. Its totient is φ = 9445885398.

The previous prime is 9445885381. The next prime is 9445885403. The reversal of 9445885399 is 9935885449.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9445885399 - 2¹⁵ = 9445852631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9445885399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9445885499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4722942699 + 4722942700.

It is an arithmetic number, because the mean of its divisors is an integer number (4722942700).

Almost surely, 2^9445885399 is an apocalyptic number.

9445885399 is a deficient number, since it is larger than the sum of its proper divisors (1).

9445885399 is an equidigital number, since it uses as much as digits as its factorization.

9445885399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55987200, while the sum is 64.

The square root of 9445885399 is about 97189.9449480243. The cubic root of 9445885399 is about 2113.8827303929.

The spelling of 9445885399 in words is "nine billion, four hundred forty-five million, eight hundred eighty-five thousand, three hundred ninety-nine".