42821075503 has 8 divisors (see below), whose sum is σ = 42948813600. Its totient is φ = 42693407328.

The previous prime is 42821075501. The next prime is 42821075551. The reversal of 42821075503 is 30557012824.

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 42821075503 - 2¹ = 42821075501 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 (42821075501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371753 + ... + 1402621.

It is an arithmetic number, because the mean of its divisors is an integer number (5368601700).

Almost surely, 2^42821075503 is an apocalyptic number.

42821075503 is a deficient number, since it is larger than the sum of its proper divisors (127738097).

42821075503 is a wasteful number, since it uses less digits than its factorization.

42821075503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34961.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 42821075503 in words is "forty-two billion, eight hundred twenty-one million, seventy-five thousand, five hundred three".