428956413 has 4 divisors (see below), whose sum is σ = 571941888. Its totient is φ = 285970940.

The previous prime is 428956403. The next prime is 428956439. The reversal of 428956413 is 314659824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428956413 - 2¹⁰ = 428955389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428956403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71492733 + ... + 71492738.

It is an arithmetic number, because the mean of its divisors is an integer number (142985472).

Almost surely, 2^428956413 is an apocalyptic number.

It is an amenable number.

428956413 is a deficient number, since it is larger than the sum of its proper divisors (142985475).

428956413 is a wasteful number, since it uses less digits than its factorization.

428956413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142985474.

The product of its digits is 207360, while the sum is 42.

The square root of 428956413 is about 20711.2629503852. The cubic root of 428956413 is about 754.1731298057.

The spelling of 428956413 in words is "four hundred twenty-eight million, nine hundred fifty-six thousand, four hundred thirteen".