42828694913 has 4 divisors (see below), whose sum is σ = 42836922180. Its totient is φ = 42820467648.

The previous prime is 42828694901. The next prime is 42828694957. The reversal of 42828694913 is 31949682824.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18799974769 + 24028720144 = 137113^2 + 155012^2 .

It is a cyclic number.

It is not a de Polignac number, because 42828694913 - 2¹⁸ = 42828432769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42828694973) 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, 4105820 + ... + 4116237.

It is an arithmetic number, because the mean of its divisors is an integer number (10709230545).

Almost surely, 2^42828694913 is an apocalyptic number.

It is an amenable number.

42828694913 is a deficient number, since it is larger than the sum of its proper divisors (8227267).

42828694913 is an equidigital number, since it uses as much as digits as its factorization.

42828694913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227266.

The product of its digits is 5971968, while the sum is 56.

The spelling of 42828694913 in words is "forty-two billion, eight hundred twenty-eight million, six hundred ninety-four thousand, nine hundred thirteen".