2628401459 has 4 divisors (see below), whose sum is σ = 2634078816. Its totient is φ = 2622724104.

The previous prime is 2628401441. The next prime is 2628401471. The reversal of 2628401459 is 9541048262.

2628401459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2628401459 - 2⁸ = 2628401203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2628451459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837984 + ... + 2838909.

It is an arithmetic number, because the mean of its divisors is an integer number (658519704).

Almost surely, 2^2628401459 is an apocalyptic number.

2628401459 is a deficient number, since it is larger than the sum of its proper divisors (5677357).

2628401459 is an equidigital number, since it uses as much as digits as its factorization.

2628401459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677356.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2628401459 is about 51267.9379242037. The cubic root of 2628401459 is about 1380.0576638721.

The spelling of 2628401459 in words is "two billion, six hundred twenty-eight million, four hundred one thousand, four hundred fifty-nine".