42321474785 has 16 divisors (see below), whose sum is σ = 51010689600. Its totient is φ = 33707558976.

The previous prime is 42321474719. The next prime is 42321474883. The reversal of 42321474785 is 58747412324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42321474785 is a prime.

It is a super-2 number, since 2×42321474785² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1044026 + ... + 1083804.

It is an arithmetic number, because the mean of its divisors is an integer number (3188168100).

Almost surely, 2^42321474785 is an apocalyptic number.

It is an amenable number.

42321474785 is a deficient number, since it is larger than the sum of its proper divisors (8689214815).

42321474785 is a wasteful number, since it uses less digits than its factorization.

42321474785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40720.

The product of its digits is 1505280, while the sum is 47.

The spelling of 42321474785 in words is "forty-two billion, three hundred twenty-one million, four hundred seventy-four thousand, seven hundred eighty-five".