2628145447 has 8 divisors (see below), whose sum is σ = 2783242512. Its totient is φ = 2473104000.

The previous prime is 2628145433. The next prime is 2628145453. The reversal of 2628145447 is 7445418262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2628145447 - 2³¹ = 480661799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628145847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120697 + ... + 140797.

It is an arithmetic number, because the mean of its divisors is an integer number (347905314).

Almost surely, 2^2628145447 is an apocalyptic number.

2628145447 is a deficient number, since it is larger than the sum of its proper divisors (155097065).

2628145447 is a wasteful number, since it uses less digits than its factorization.

2628145447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809.

The product of its digits is 430080, while the sum is 43.

The square root of 2628145447 is about 51265.4410592555. The cubic root of 2628145447 is about 1380.0128555478.

The spelling of 2628145447 in words is "two billion, six hundred twenty-eight million, one hundred forty-five thousand, four hundred forty-seven".