428960773613 has 8 divisors (see below), whose sum is σ = 445442730936. Its totient is φ = 412765459200.

The previous prime is 428960773607. The next prime is 428960773663. The reversal of 428960773613 is 316377069824.

It can be written as a sum of positive squares in 4 ways, for example, as 4478554084 + 424482219529 = 66922^2 + 651523^2 .

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 428960773613 - 2⁸ = 428960773357 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 (428960773663) 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, 71657678 + ... + 71663663.

It is an arithmetic number, because the mean of its divisors is an integer number (55680341367).

Almost surely, 2^428960773613 is an apocalyptic number.

It is an amenable number.

428960773613 is a deficient number, since it is larger than the sum of its proper divisors (16481957323).

428960773613 is a wasteful number, since it uses less digits than its factorization.

428960773613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143321455.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 428960773613 in words is "four hundred twenty-eight billion, nine hundred sixty million, seven hundred seventy-three thousand, six hundred thirteen".