42828282481 has 4 divisors (see below), whose sum is σ = 42830216100. Its totient is φ = 42826348864.

The previous prime is 42828282463. The next prime is 42828282493. The reversal of 42828282481 is 18428282824.

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 19117210225 + 23711072256 = 138265^2 + 153984^2 .

It is a cyclic number.

It is not a de Polignac number, because 42828282481 - 2¹⁷ = 42828151409 is a prime.

It is a super-2 number, since 2×42828282481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42828282281) 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, 933196 + ... + 978013.

It is an arithmetic number, because the mean of its divisors is an integer number (10707554025).

Almost surely, 2^42828282481 is an apocalyptic number.

It is an amenable number.

42828282481 is a deficient number, since it is larger than the sum of its proper divisors (1933619).

42828282481 is a wasteful number, since it uses less digits than its factorization.

42828282481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933618.

The product of its digits is 1048576, while the sum is 49.

The spelling of 42828282481 in words is "forty-two billion, eight hundred twenty-eight million, two hundred eighty-two thousand, four hundred eighty-one".