42821564703 has 16 divisors (see below), whose sum is σ = 60701944320. Its totient is φ = 26791285664.

The previous prime is 42821564699. The next prime is 42821564759. The reversal of 42821564703 is 30746512824.

It is a cyclic number.

It is not a de Polignac number, because 42821564703 - 2² = 42821564699 is a prime.

It is a super-2 number, since 2×42821564703² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42821564603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5851083 + ... + 5858396.

It is an arithmetic number, because the mean of its divisors is an integer number (3793871520).

Almost surely, 2^42821564703 is an apocalyptic number.

42821564703 is a deficient number, since it is larger than the sum of its proper divisors (17880379617).

42821564703 is a wasteful number, since it uses less digits than its factorization.

42821564703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11709558.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 42821564703 in words is "forty-two billion, eight hundred twenty-one million, five hundred sixty-four thousand, seven hundred three".