428106013813 has 8 divisors (see below), whose sum is σ = 438576477696. Its totient is φ = 417636924000.

The previous prime is 428106013807. The next prime is 428106013837. The reversal of 428106013813 is 318310601824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428106013813 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 (428106013513) 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, 301870 + ... + 973312.

It is an arithmetic number, because the mean of its divisors is an integer number (54822059712).

Almost surely, 2^428106013813 is an apocalyptic number.

It is an amenable number.

428106013813 is a deficient number, since it is larger than the sum of its proper divisors (10470463883).

428106013813 is a wasteful number, since it uses less digits than its factorization.

428106013813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687035.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 428106013813 in words is "four hundred twenty-eight billion, one hundred six million, thirteen thousand, eight hundred thirteen".